Compare and contrast the structure and function of arteries and veins throughout the cardiovascular system?

Answers

Answer 1
Arteries are larger vessels than veins. Arteries function like pipes to carry fresh oxygenated blood away from the heart toward all the tissues and organs of the body. Veins are smaller vessels that also function like pipes to carry old blood that needs to get more oxygen back to the heart. The oxygen depleted blood enters the right side of the heart called the right atrium then it’s pumped down to the right ventricle which pumps it up though the Pulmonary artery to the lungs to get oxygen and then travels back through pulmonary veins which enter the left side of the heart called the left ventricle to then be pumped back up the aorta with fresh oxygen rich blood. Then the cycle starts all over again. So, you have your Pulmonary circulation which circulates the oxygen depleted blood through and from your lungs, and you have your Systematic circulation which takes the blood to and from the rest of the body.
Answer 2

Final answer:

Arteries have thick, elastic walls designed to withstand high blood pressure, while veins have thinner walls with valves to prevent blood backflow. Capillaries have the thinnest walls to enable substance exchange between blood and tissues. The structure of these vessels is integral to understanding blood pressure, flow, and resistance.

Explanation:

The circulatory system is composed of multiple types of vessels, each with its structure and function. Arteries, veins, and capillaries are the three main types of blood vessels that facilitate blood flow throughout the body.

Arteries

Arteries are blood vessels that carry oxygen-rich blood away from the heart to the tissues of the body. They have thick walls composed of three layers: the intima, media, and adventitia. The media layer, in particular, contains smooth muscle and elastin, making arteries highly elastic and enabling them to withstand the high pressure of blood pumped by the heart.

One structural feature of arteries that helps their function is the large amounts of elastin in their walls, allowing them to expand and contract as blood is ejected from the heart.

Veins

Veins, in contrast, carry deoxygenated blood back to the heart. They have thinner walls compared to arteries and are less elastic due to a smaller media layer. Veins contain valves that prevent the backflow of blood, which is crucial for their function given the lower blood pressure in veins and the need to return blood to the heart against gravity, especially in the extremities.

Capillaries

Capillaries are the smallest and thinnest blood vessels, connecting the arterial and venous systems. They facilitate the exchange of nutrients, waste, and gases between blood and tissues. This exchange is due in part to their thin, single-layer endothelial wall that allows substances to pass through easily.

Summary of Differences

Arteries have thick, elastic walls to handle high pressure.Veins have thinner walls with valves to assist blood return to the heart.Capillaries are very thin and facilitate the exchange of substances with tissues.

The largest artery in the body is the aorta, while the two largest veins are the superior and inferior venae cavae.

Understanding the structure of these vessels is crucial for grasping how blood pressure, blood flow, and resistance interrelate to maintain homeostasis within the blood vessels. Prolonged high blood pressure, known as hypertension, is recognized as a risk factor for cardiovascular diseases such as atherosclerosis, a condition characterized by the buildup of plaques in arteries.


Related Questions

Maureen and Chris are both surgeons on the hospital's night shift. Lately,
both have been working overtime because the emergency department
assisted more patients needing immediate surgery. In the break room,
Maureen and Chris begin arguing about which one of them has been pulling
their weight more and deserves next Saturday off. What is likely the main
cause of the conflict between the two surgeons?
O
A. Maureen and Chris spend too much time together.
O
B. Maureen cares about the patients more than Chris.
O
C. Maureen and Chris do not respect each other's work ethics.
O
D. Maureen and Chris work in a stressful environment.

Answers

Answer:

D

Explanation:

When in a stressful environment, you become more likely to become irritated easily. Running high adrenaline can you to have more arguments and fights, and makes you a less agreeable person. When in a stressful stituation, it is best to take deep breaths and take a break to collect yourself.

Answer:

APEX

Explanation:

Maureen and Chris work in a stressful environment.

What type of relationship involves people who don't share the same status?
A. Horizontal
B. Circular
C. Vertical
D. Parallel

Answers

Answer:

vertical i belive

Explanation:

Which of the following is a truth about conflict?
O
A. Conflict begins from a root cause.
O
B. Conflicts always arise from differences in culture.
O
c. Conflict can always be avoided.
O
D. Conflict does not require critical thinking skills in order to be solved

Answers

Answer:

conflict begins from a root cause.

Explanation:

a p e x

Hector lives every day of his life according to his morals,values,and ethics which dimension of health is he full filling

A. biological

B. Physical

C. environmental

D. spiritual

Answers

The answer will letter B

What is true about proper stride for intermediate runners?


A. It involves hitting the ground with the hips behind the front foot.

B. It involves hitting the ground with the knee extended.

C. It involves hitting the ground with the hips over the front foot.

D. Proper stride is not important for intermediate runners.

Answers

Answer: C.

Explanation:    Stride is the length of your steps as you run.

Beginners should not worry too much

about stride. However, for an

intermediate runner who wants to

increase his/her distance, stride is

important.

Proper stride involves hitting the ground

with the hips over the front foot and the

knee bent.

Critical listening is also referred to as which of the following? A. Appreciative listening B. Evaluative listening C. Full listening D. Deliberative listening

Answers

Answer:

B

Explanation:

Final answer:

Critical listening is referred to as Evaluative listening, and it involves actively analyzing the presented information while considering different aspects of the message being conveyed to accurately understand and respond to it. So, the correct option is B :  Evaluative listening.

Explanation:

Critical listening is also referred to as B. Evaluative listening. This type of listening is an essential component in various areas such as music, speech, and even personal interaction where it is necessary to process rapid information and requires active and engaged listening. Critical listening, or evaluative listening, entails analyzing the information being presented, considering the accuracy, validity, and relevance, as well as weighing evidence and detecting potential biases. It is closely associated with critical thinking, which involves the careful evaluation of assumptions, actions, values, and other factors that influence a decision or way of understanding. Whether listening to music or participating in a conversation, evaluative listening skills can have a significant impact on mood, emotions, and arousal levels, as well as the development of rapport and trust in various social contexts.

Match the right drug to the definition
- Dissolves the fatty tissue in the brain
-Speeds up body functions but depresses brain activity

Answer choices:
Stimulant
Inhalant

Answers

Answer:

Explanation:

inhalant

The answer is inhalant

briefly explain why maintaining a healthy weight is important in cardivascular system care

Answers

One major reason being that for adults heart disease which is caused by obesity is the number one cause of death in the United States
Maintaining a healthy weight is important in cardiovascular system care because it reduces the likeliness of high cholesterol, diabetes, high blood pressure

Which statement best describes a common belief about maintaining eye contact?

Answers

Answer:

maintaining eye contact proves that you are paying attention to the person talking

if a pregnant woman has hiv or aids her child will automatically have the virus
true or false

Answers

Answer:

It is not completely true but the best answer would be True.

Explanation: The child may not be born with HIV or AIDS but but through the child feeding it may develop AIDS or HIV. Happt I can help :).

Answer:

True

Explanation:

Mother to child transmission (MTCT) of HIV infection is defined as transmission of HIV from an infected mother to her child during gestation, labour, or postpartum through breast feeding. HIV-1 infection is frequently transmitted from mother to child, although HIV-2 is rarely transmitted in this way.

Skunks eat fruits, worms, plants, fish, insects, and more.

Which describes the role of a skunk?

Answers

Answer:

Skunks are omnivores. This means that they eat multiple types of food, not just meat or plants. They are also good for gardens in the way that they eat different things.

Explanation:

what year was tobacco advertising banned from the television and the radio?
A. 1995
B. 1984
C. 1969
D. 1975

Answers

c~ 1969
i think :D :D

Tobacco advertising was banned from the television and the radio in 1969.

What is Tobacco?

This is a plant which is mostly smoked and has a very high addictive compound which is referred to as Nicotine.

The smoking of tobacco increases an individual's risk of lung cancer which was why the advertisement was stopped in 1969 and makes option C the most appropriate choice.

Read more about Tobacco here https://brainly.com/question/13222662

What is the difference between an ethical decision and a legal one?
O
A. An ethical decision is always based on a code of law,
B. An ethical decision is based on what's right, but may not be a law.
O
O
c. An ethical decision affects only the person making it.
D. A legal decision affects only the person making it.

Answers

The answer is D I think
B seems to be the right answer to me

Was Houston Ballet was founded in 1960?

Answers

Answer:

No, but nice try it was actually founded in 1955.

Explanation:

Houston Ballet was established in 1955 and has expanded greatly since then. Its success in dance instruction and performances can be attributed to Nina Popova, its artistic director.

No, Houston Ballet was not established in 1960. In 1955, a group of local ballet aficionados formally founded it. It began as a tiny business and school but over time it expanded greatly. With the hiring of Nina Popova as its first artistic director in 1969, the professional company as we know it today was formally established.

Its transformation into one of the top ballet groups in America started with this. These days, Houston Ballet is well-known for its extensive dance education initiatives, varied repertory, and top-notch performances.

ICD-10-CM far exceeds ICD-9-CM in the number of codes provided, having been expanded to

Answers

Advantages of ICD-10-CM over ICD-9-CM is explained below.

Explanation:

The granularity of ICD-10-CM and ICD-10-PCS is vastly improved over ICD-9-CM and will enable greater specificity in identifying health conditions.

It also provides better data for measuring and tracking health care utilization and the quality of patient care.

ICD-9 codes have limited data about the patient's medical conditions and hospital inpatient procedures. ICD-9 codes use outdated and obsolete terms and are not consistent with current medical practices.The final rule for the Health Insurance Portability and Accountability Act (HIPAA) Administrative Simplification to Medical Data Code Set Standards to adopt ICD-10-CM was published on January 16, 2009. ... Physicians created the ICD-10-CM terminology, whereas ICD-9-CM used the coding terminology.ICD-10 emphasis on modern technology devices being used for various procedures, while ICD-9 codes are unable to reflect the use of modern day equipment. Hence, the basic structural difference is that ICD-9 is a 3-5 character numeric code while the ICD-10 is a 3-7 character alphanumeric code.International Classification of Diseases, 10th Revision, Clinical Modification (ICD-10-CM) provided by the Centers for Medicare and Medicaid Services (CMS) and the National Center for Health Statistics (NCHS), for medical coding and reporting in the United States.ICD-9 stands for International Classification of Disease, Ninth Revision. Coding is a universal or standard system used for the purpose of identifying diseases. These codes have three, four or five digits

Nicotine causes the blood vessels to?

Answers

Answer:

feel gud

Explanation:

Nicotine causes your blood vessels to constrict or narrow

Scenario:
A new student enters your classroom. She is very quiet and seems shy. You introduce yourself and she says her name without giving any eye contact. You observe her behavior in your class over the next few weeks. One day, she walks into class wearing a hoodie and clenching her right arm. You assign a written assignment for the day and she has a hard time writing. What steps will you take next? Provide at least 5 sentences stating the steps that will be taken and why.

Answers

Answer:

She may be suffering from child abuse, or some other type of harassment. I'm not sure the steps because I'm not in the same school course you are, but for sure you would need to tell the teacher or some authorities about your concerns.

The reason I think she may be suffering from child abuse is because she held her arm stiffly, it may have been broken. and she wore a hoodie.

I believe the first thing to do would be to befriend her. This is because you would need to pick her brain and see the things she may be going through on a day to day. It may be abuse, it may be depression. Self harm can be one of the reasons why she might want to cover up. The first step would be to befriend her, then if having trouble talk to a teacher and get advice.

Drug abuse can be very harmful to the body. Which of these best defines drug abuse?
A.The improper use of a drug for medical purposes
B.The use of a drug for nonmedical reasons
C.The proper use of a prescription drug
D.The use of an OTC drug for a medical condition

Answers

Answer:

b

Explanation:

non medical which is inappropriate

12. A diabetic client suddenly becomes
weak, confused, slurs his words, and has
difficulty walking. These symptoms are most
likely a result of
A. high blood sugar.
B. a heart attack
• C. a stroke.
D. low blood sugar.​

Answers

low blood sugar, these aren’t not symptoms of any of the other choices!
D. Low blood sugar: This should be the correct answe

name 10 apps that include food and whoever answers first gets brainliest

Answers

opentable

postmates

chefsfeed

handpick

foodspotting

roaming hunger

little caesers

doordash

grubhub

mcdonalds

Postmates Chefsfeed Opentable Foodspotting Farmstand Handpick Roaming Hunger No Wait Trip Advisor Fousquare

Which of the following training factors is described as "hitting a wall?"
Plateau

Muscle recruitment

Recovery heart rate

Nutrition

Answers

Answer:

MUSCLE RECRUITMENT

Explanation:

Hitting a wall with your training is frustrating, but there are easy solutions to ... It's something known as overtraining and it happens when your body is ... Then there are fats, vitamins and minerals to factor in.

Final answer:

In training, 'hitting a wall' refers to a Plateau, where progress ceases despite continued efforts. This can result from overtraining, lack of rest, or insufficient workout variation, and is not directly linked to muscle recruitment, recovery heart rate, or nutrition.

Explanation:

The term “hitting a wall” in the context of training refers to Plateau. When someone hits a wall, it means that they have reached a point in their training where they no longer see progress or improvement despite continuing to train. This feeling of stagnation can be caused by a number of factors, such as overtraining, inadequate rest, or lack of variation in the workout routine. It doesn’t relate directly to muscle recruitment, recovery heart rate, or nutrition, although these elements can certainly influence one's ability to progress in their training.

For instance, in the military training scenario described in Figure 15.5.6, new recruits might hit a plateau if they overexert themselves without proper conditioning. The drill instructor's encouragement is crucial for motivation, but it's also necessary to balance effort with recovery to avoid plateaus and ensure ongoing improvements.

percent of Americans are not active at the recommended
Approximately
levels.
ООО
O 60
O 40
O 80
O 30

Answers

Answer:

10%

Explanation:

if you are in an emergency scenario and have forgotten how to use an AED, what should you do?

Do nothing until the EMTs arrive.
Listen to the voice instructions on the AED.
Perform the Heimlich maneuver on the patient instead.
Read the extensive operator’s manual packaged with the AED.

Answers

ANSWER: Listen to the voice instructions on the AED

Select the correct answer.
What is the main reason that restaurants, offices, and other public places have separate areas for smokers?
A. to limit nonsmokers' exposure to second-hand smoke
B. to discourage people from taking up smoking
c. to deglamorize the use of tobacco
Reset
Next

Answers

Answer:A


Reason bc second hand smoke is real and the want less people to smoke
The correct answer is A) to limit nonsmokers exposure to second hand smoke. Although many researches have been done to experiment people’s urge to quit compared to the availability at restaurants, the main is reason is to limit exposure

Susan was recently in a car accident and is experiencing sudden chest pain and is suffering from dyspnea. Which of the following is most likely the
diagnosis?
Cystic fibrosis (CF)
Lung cancer
Pneumothorax
Emphysema

Answers

Pneumothorax is most likely to be the diagnosis.

Final answer:

The most likely diagnosis for Susan is pulmonary edema, which is excess fluid in the air sacs of the lungs. This condition can cause chest pain and difficulty breathing. Susan should seek medical attention right away.

Explanation:

The most likely diagnosis for Susan, who is experiencing sudden chest pain and dyspnea, would be pulmonary edema. Pulmonary edema is excess fluid in the air sacs of the lungs, commonly caused by heart and/or kidney failure. This condition can lead to difficulty breathing and chest pain. It is important for Susan to seek immediate medical care as pulmonary edema can be life-threatening. The most likely diagnosis for Susan is pulmonary edema, which is excess fluid in the air sacs of the lungs. This condition can cause chest pain and difficulty breathing. Susan should seek medical attention right away.

State the purpose of the gynecologic examination.

Answers

Answer:
It is to asses the health of the female reproductive organs, to detect early signs of desease, leading to early diagnosis and treatment.

I hope this helps :)
The purpose is to detect early signs of disease, leading to early diagnosis and treatment.

Psychological motives are motives that are
A) universal.
B) not influenced by learning.
C) not directly related to survival needs.
D) regulated by the hypothalamus

Answers

Answer:

psychological motives are universal (A)

Explanation:

Psychological motives are motives that are (A) universal

To which line of defense do these belong?
Inflammation:
Stomach:
Fever:
Lungs:
Lymphocytes

Answers

Answer:

Inflammation - Second

Stomach - First

Fever - Second

Lungs - First

Lymphocytes - Third

Answer:

inflammation:2

stomach:1

fever: 2

lungs: 1

lymphocytes:3

Help NOW please
Week 4:Topic: Volleyball

Outcome: I can write a GIST summary by capturing the main points of the volleyball article in order to highlight the benefits of the sport.

Essential Question: How can playing volleyball benefit an athlete who also plays other sports?

DIRECTIONS: Read the Volleyball Article on the next page and answer the questions for this weeks graded assignment
(Due Sunday, May 3rd)



Source: Livestrong
The Advantages of Playing Volleyball
By Sara Ipatenco

Volleyball is a physically demanding sport that takes skill and athletic ability. Pete Waite, author of "Aggressive Volleyball," adds that volleyball also is an entertaining game that many athletes choose for the opportunity to be active and connect with friends. Playing volleyball has several advantages and knowing what they are might motivate you to pick up a ball and start serving, spiking and bumping.


Physical Activity
Playing volleyball is a healthy way to get some exercise. Regular exercise is crucial for your health because it helps keep your heart in good working order, as well as helping to prevent illnesses and diseases like cardiovascular disease, cancer and type 2 diabetes. Playing volleyball on a regular basis is one way to increase your physical activity level, which will help you get fit and toned, as well as healthy and energetic. Regular exercise also might help ward off depression and increase feelings of happiness and well-being.

Hand-Eye Coordination
Volleyball requires you to pay close attention to the ball so that you can use your arms and hands to come into contact with the fast-moving volleyball in order to send it flying over the net. Bob Miller notes in his book, "The Volleyball Handbook," that learning volleyball requires skills that help you connect with the ball as well as move in ways that allow you to prevent the opposing team from scoring points.


Social Interaction
Playing volleyball requires that you work with a team to score points and keep the other team from winning. This requires that you work well with your team and gives you valuable opportunities to interact socially with friends and acquaintances. Regular social interaction boosts your feelings of happiness and helps you feel as if you are a part of a group working toward a common goal. Spending time with friends also makes you feel valued and loved, which translates into happiness.

Sportsmanship
Acting as part of a team requires that you learn good sportsmanship and how to work well with others. Playing volleyball gives you these advantages by requiring you to pay attention to what your team members are doing so you can work together to anticipate the moves of the opposing team. Playing on a team also teaches the value of hard work and fairness. Volleyball is a competitive and physically demanding sport that depends on how well you accept defeat, as well as how graciously you win.
End of Article….. NOW… ANSWER THE QUESTIONS ON THE NEXT PAGE…

Please use the article on volleyball to answer the following questions.
“Gist” is a word that means “the essence.” A GIST summary conveys the main ideas of a text without including all the details. To write a concise summary, you must first analyze the text and identify key terms and key points about the topic.

What is the topic of this article?

Describe the main idea of the article? (complete sentence):



Identify a few key terms (vocabulary) in the article?



In your own words, write the key points that explain what the article is about (What is the author trying to convey?):

1.


2.


3.


4.


5.


Now, let’s put your key points into paragraph format! Write a paragraph of 3–4 sentences, using the key terms and points to summarize the “gist” of the article.

Answers

Answer:

The topic of the article is to show the benefit that volleyball can bring to people's lives. The main idea of the article is to show how it is necessary that we practice a sport and present volleyball as an alternative, since this is a beneficial, accessible, easy sport and brings many benefits to our physical, mental and social health. Sport, volleyball, fun, exercise, health, physical activity, coordination, interaction. The article seeks to present a form of physical activity. The article wants to show how beneficial volleyball is. The article presents the benefits achieved with volleyball. The article shows that these benefits go beyond physical health. The article wants to show how accessible volleyball is.The article shown above was done as a way to motivate people to practice a sport and the author takes the opportunity to present volleyball as an alternative. That's because volleyball, is a fun, easy and accessible sport, which promotes several benefits to the body and the individual's members, in addition to promoting a healthy social interaction, reaching all levels of well-being.

Explanation:

The questions above were answered based on the article that was provided as supporting text.

In summary, we can say that the article aimed to represent volleyball as a sport option for readers. The author does this, presenting all the positive points that volleyball presents, in addition to showing its accessibility and ease in being practiced.

Describe the distinguishing characteristics that enable one to identify the jejunal and ileal portions of the small intestine.

Answers

Ileum portion has Peyer's patches but jejunum portion is not having it

Explanation:

Small intestine can be divided into three parts they are ileum , jejunum and duodenum. Small intestine is a long , folded as well as narrow tube that extend from the stomach to the large intestine. Small intestine is that region where digestion takes place, small intestine mainly absorb nutrients from the food. Ileum and jejunum have Brunner's gland but duodenum do not have Brunner's gland. Ileum is having Peyer's patches but jejunum and duodenum is not having it.

Other Questions
conomics FWISDIncreasing the Money SupplyChoose the best word or phrase from each drop-down menu.The Federal Reserve increases the money supply when it is trying to encourage the economy to _____Consumers are more willing to spend using credit when the money supply is higher because interest rates are______One major positive effect of increasing the money supply isin the unemployment rate___ A circus act involves a trapeze artist and a baby elephant. They are going to balance on a teeter-totter that is 10 meters long and pivoted at the middle. The lady has a weight of 500 newtons and is standing on one end. The elephant has a weight of 2500 N and is walking toward her on the beam. How far does the elephant have to walk from the end toward the middle to balance the beam How does the risk of needing insurance impact the cost of premiums?A. In some cases, higher risk results in lower costs.B. Higher risk always results in lower costs.C. Higher risk always results in higher costs.D. In some cases, higher risk results in higher costs. Sharon bought a mixture of nuts that was made up of pecans, walnuts and cashews in a ratio by weight of $2:3:1$, respectively. If she bought $9$ pounds of nuts, how many pounds of walnuts were in the mixture? Express your answer as a decimal to the nearest tenth. 2.Mike's car, which has a mass of 1,000.0 kg, is out of gas. Mike is trying to push the car toa gas station, and he makes the car go 0.05 m/s/s. Using Newton's Second Law, you cancompute how much force Mike is applying to the car. HELP ASAP PLEASE!!!What is the median for the following set of data?5, 7, 9, 11, 13, 13A. 10B. 8C.9D.11 What is an example of an interest leading to a career choice?A. An interest in animals leads to a career in marketing.B. An interest in music leads to a career in zoology.C. An interest in helping others leads to a career in medicine.D. An interest in science leads to a career in hospitality. The times a fire department takes to arrive at the scene of an emergency are normally distributed with a mean of 6 minutes and a standard deviation of 1 minute. For about what percent of emergencies does the fire department arrive at the scene in between 4 minutes and 8 minutes ? Help number 8 Please help Paint that uses a vehicle made of wax is called _______ Explain the historical circumstances that led to Mao Zedongs delivery of the speech entitled Proclamation of the Central Peoples Government of the Peoples Republic of China. What is the main purpose of "Eileen Collins NASA's First Female Shuttle Commander to Lead Next Shuttle Mission"?to inform readers about Eileen Collins' career and her views on space travelto convince readers that Eileen Collins should command a shuttle missionto show readers the type of leadership that Eileen Collins demonstratesto highlight for readers the hardships that Eileen Collins overcame he manager of the student center cafeteria, has added pizza to the menu. The pizza is ordered frozen from a local pizza establishment and baked at the cafeteria. She anticipates a weekly demand of 10 pizzas. The cafeteria is open 45 weeks per year. The ordering cost if $15 and the holding cost is $0.40 per pizza per year. The pizza vendor has a one week lead-time and the manager wants to maintain 1 pizza for safety stock. What is the optimal reorder point What effect does the resolution have on the overall meaning of the passage in the yellow wallpaper Joseph opens a checking account with $400. each month he adds $150 to the account wright an equation representing the total amount A in the account at the end of any given month M 2. How much work does it take to accelerate a 6.6 kg object from rest to 22 m/s?O a) 73 Jb) 960 Jc) 1600Jd) 3200 Je) 0.30 J (a) For what frequencies does a 23.0-F capacitor have a reactance below 160 ? f Correct: Your answer is correct. 6.95 Incorrect: Your answer is incorrect. Hz (b)What is the reactance of a 41.0-F capacitor over this same frequency range? Xc Correct: Your answer is correct. V= u + atu = 2 a = -5 t = 1/2Work out the value of v. _____ is the brief sensory memory of auditory stimuli. This type of memory lasts for about 3 seconds before fading away. Read the first three sentences of the passage.There is one faculty which a pilot must incessantly cultivate until he has brought it to absolute perfection. Nothing short of perfection will do. That faculty is memory.Which word from the sentences best creates a lofty, or intellectually superior, tone?pilotmemoryfacultynothing