White blood cells use __________ to help identify foreign substances in the body. A. platelets and white blood cells B. antibodies and antigens C. enzymes and red blood cells D. white blood cells and red blood cells Please select the best answer from the choices provided. A B C D

Answers

Answer 1

The answer is

"Antibodies and antigens"

Answer 2

Antibodies and antigens

Answer: B

Explanation:

The White blood corpuscles or shortly called WBC are involved in protecting the body from the pathogenic and foreign substance which are called antigens.

The WBC when senses the antigens, it immediately signals the T cells for the production of antibodies which reaches the infection site.

In the site, antigen-antibody interaction occurs due to which the antigen gets destroyed.

Thus it can be inferred that option B is best answer form the choice provided.


Related Questions

How can you get rid of your family?

༼ つ ◕_◕ ༽つ

Answers

ma’am this is a McDonald’s
I mean, murder is always an option

HelpME Right now I'm in big trouble and need to this turn in 5 mins!! or else my nana is going to pull me out of my school I'M NOT KIDDING!!


1.The offensive team is the team (5 points)


Group of answer choices


whose primary objective is to prevent the opposing team from scoring


with three offensive players guarding three defensive players


with possession of the ball or puck, whose primary objective is to score


responsible for making personnel decisions and motivating players



2. The defensive team is the team (5 points)


Group of answer choices


with possession of the ball or puck, whose primary objective is to score


with three defensive players guarding three offensive players


responsible for game plan, personnel decisions, and post-game review


whose primary objective is to prevent the opposing team from scoring


3. When one team attempts to maintain possession of the ball while the clock is running, the offense is playing (5 points)


Group of answer choices


ball control


formation


man-to-man


zone


4. When each defensive player guards a certain area from offensive players, the defense is playing (5 points)


Group of answer choices


zone


man-to-man


ball control


double team


5. A coach who inspires players by reminding them that effort leads to success is using the skill of (5 points)


Group of answer choices


effective communication


knowledge


motivation


strategy instruction

Answers

Final answer:

In sports, the offensive team aims to score by maintaining possession, while the defensive team focuses on preventing scores. Teams employ strategies like ball control or zone defense based on the situation. Coaches use motivational techniques to inspire effort and success.

Explanation:

The question deals with understanding the roles of offensive and defensive teams in sports, strategies employed by teams during gameplay, and the motivational techniques used by coaches. These concepts are integral to high school health and physical education curriculums, which often include units on teamwork, sportsmanship, and the psychological aspects of team sports.

The offensive team is the team with possession of the ball or puck, whose primary objective is to score.The defensive team is the team whose primary objective is to prevent the opposing team from scoring.When one team attempts to maintain possession of the ball while the clock is running, the offense is playing ball control.When each defensive player guards a certain area from offensive players, the defense is playing zone.A coach who inspires players by reminding them that effort leads to success is using the skill of motivation.

the membrane on the surface of the heart is called

Answers

Answer: epicardium (visceral pericardium)

Explanation:

Which of the following is NOT a cause of psychological disorders?
a. biological factors
b. mental processes
c. supernatural forces
d. learned habits

Answers

Answer:

c supernatural forces

Explanation:

Psychological disorders are the disorder of mental and psychiatric malfunctions. Supernatural forces are not the cause of psychological disorders.

What are psychological disorders?

Psychological disorders are the disorders and distress of the mental and rational functioning of the human brain. It leads to disturbance and affects the behavior of the person.

Mental stress, processes, biological conditions and factors, and learned habits can lead to psychological disorders. Supernatural forces are not the reason for psychological disorders as they are not believed truly.

Therefore, option c. supernatural forces are not the cause of psychological disorders.

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Which statement is most correct about self-esteem?

Answers

Answer:

People with high self-esteem tend to disapprove of others more than people with low self-esteem.

Answer:

A.

Self-esteem can fluctuate depending on circumstances.

Explanation:

which compounds are found in processed high-fat foods that are cooked in dry heat or at high temperatures

Answers

Answer:

advanced glycation end products

Explanation:

Glycation is that right ?

Soil pollution can result in dangerous levels of silver.
Please select the best answer from the choices provided.
T
F

Answers

I think the answer is false.

Answer:

False.

Explanation:

Soil pollution does not result in dangerous levels of silver, but it does have consequences as disastrous.

Highly degradable, the soil is very affected by anthropic pressure. Its pollution particularly affects the surface level of the earth's crust, a layer of the biosphere that houses considerable biodiversity.

This medium, different from what we think, is not inert and does not support human relationships either. In the superficial extract of the soil there are species of macro and microorganisms important to the maintenance of biological balance on the planet: bacteria, fungi, nematodes, arthropods, annelids, mollusks and small vertebrates, allied to vegetation, give life and support to this substrate. However, exposed to the most varied types of impacts, they harm living forms and their “full” regular development.

Mr. Chen has heard about a Medical Savings Account (MSA), but wants to know if it is just about saving money, or if he will get insurance coverage for his health care expenditures as well.

Answers

Answer:Under the Medicare Advantage program, the MSA is only an account to help him pay for IRS-allowed health expenditures he may have. It does not involve health insurance of any kind.

Explanation:

A social psychologist would study _____. why the leadership in a business is struggling the academic performance of students in high school the link between depression and lack of exercise why people in lines at the grocery store don't talk to each other

Answers

Answer:

A social psychologist would study about the reason behind the people at grocery store of not communicating with each other.  

Explanation:

A social psychologist is the one who studies about the influence of actual or imaginary presence of people and environment on the other people’s thoughts and behaviors. They deal with the complex human thoughts about social interactions.

People behave differently in different human company and environment. We as humans tend to communicate more when we are around our family and friends, because we feel comfortable and secure with them.

Whereas, the people in the line at a grocery store don’t talk to each other because they don’t know each other personally. This social setting makes them uncomfortable to speak to each other.

The series of physical changes in which a child’s body matures and develops the ability to sexually reproduce is called?

Answers

Answer: puberty

Explanation:

Final answer:

Puberty is the period of physical changes when a child's body matures into an adult body capable of sexual reproduction. It starts with the release of hormones from the brain and results in the development of both primary and secondary sex characteristics.

Explanation:

The series of physical changes in which a child’s body matures and develops the ability to sexually reproduce is called puberty. During this life stage, the body undergoes significant growth and maturation, preparing for reproductive capabilities. Puberty begins with a hormonal chain reaction starting in the brain, with the hypothalamus releasing gonadotropin-releasing hormone (GnRH). This, in turn, triggers the anterior pituitary gland to release luteinizing hormone (LH) and follicle-stimulating hormone (FSH), stimulating the gonads to produce the sex hormones testosterone and estrogen. These hormones are crucial for the development of primary and secondary sex characteristics, including reproductive organs and features like facial hair or breast development.

Boys generally begin puberty around age 12 and complete it by about age 18. In girls, puberty can start earlier, and it includes events like menarche, the onset of menstrual periods. While the sequence of changes during puberty is predictable, the timing and pace can vary greatly among individuals. Adolescence covers an even broader range of changes, including psychological and social development alongside the physical changes of puberty.

The real advantage to hydrostatic weighing is that it
A can be done anywhere with no equipment
B. gives one of the most accurate measurements of body fat
C. uses calipers to measure body fat
Please select the best answer from the choices provided.​

Answers

Answer:

The correct answer is B. gives one of the most accurate measurements of body fat

Explanation:

I did the practice on edg :)

The real advantage to hydrostatic weighing is that it gives one of the most accurate measurements of body fat, option B is correct.

The hydrostatic weighing technique relies on the principle of buoyancy to determine body composition. It involves submerging an individual in water and measuring the displacement of water, which relates to body density. Since fat is less dense than lean mass, the method can accurately estimate body fat percentage.

While hydrostatic weighing demands specialized equipment like a water tank and skilled technicians, its precision stems from directly measuring body density. In contrast, option A is incorrect, as hydrostatic weighing requires specific equipment and controlled environments. Option C is also inaccurate, as calipers are associated with skinfold measurements, a different method for estimating body fat, option B is correct.

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Which of these is associated with bulimia nervosa?

Answers

B. binging and purging

Answer:

binging and purging

Explanation:

Do you think a moving skateboard has energy? Why or why not

Answers

Answer: yes, it has velocity.

Explanation:

The mass is moving so it’s kinetic energy.

"Yes," a moving skateboard has energy.

When the skater seems to be in motion or throughout a movement, the potential energy converts itself into the kinetic form of energy, and then it becomes potential energy again.Furthermore, somewhere after every movement, the same skateboarder was around a similar height, — in other words thus every time it is equally powerful.

The response is thus the right one.

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The leading cause of death for teens is

Answers

Motor Vehicles Accidents

Which is a personal risk factor for drug abuse?
believing that drug abuse is unacceptable
having low self-esteem
having a low level of stress
having parents who do not use drugs

Answers

Having a low self esteem
Having low self-esteem

What do you notice about girls and puberty? Justify your answer using complete sentences.


Plzzzz help meee I need the answer right now plz :(

Answers

Answer:

breasts get larger, mood changes, different places of hair grow, changes in voice and body...

Explanation:

hopefully this helps

Her breast get larger, more body hair, More oily skin, And body odor

what is the difference between general hospital and a college or university hospital?​

Answers

Answer:the general hospital goes further than a college one because a college hospital only helps college students but a general hospital is world wide

Explanation:

Answer:

The difference between general and university hospital is that the university hospital provides medical education and training to medical students along with treatments to public.

Explanation:

A general hospital is medical treatment provider institute that serves the ill people only. Whereas, the university and college hospital serves the ill people and provides education and training to medical students also.

They are usually medical school affiliated or run under any particular owner. But general and university hospitals are almost equal in terms of medical care.  

Checkpoint 1
Started: Sep 9 at 7:30am
Quiz Instructions

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Question 11 pts
1. Which of the following is NOT a part of the Healthy People 2020 Goal?

A.) Attain high-quality, longer lives

B.) Achieve health equity

C.) Provide healthcare to those identified as morbidly obese

D.) Create environment that promote health for all

Answers

Answer:

c. provide healthcare to those identified as morbidly obese.

Explanation:

people that are obese really need healthcare provided to them ( for free).

Which of the following is a way of preventing fires at home?What is the only information that Isabel should give to best ensure her safety?

Answers

Answer:

i had a house fire but the best way is by having a fire hydrant in every room

Explanation:

Answer:

Fire prevention processes at home includes – cleanliness of oven, maintaining the electrical cords, proper storing of flammable products etc.

Explanation:

To prevent fire attacks at home one should follow these processes-

1. Changing of furnace filters at a regular basis and inspection of fire sources time to time can lower the chances of fire attack

2. Proper cleaning of ovens regularly can prevent fire

3. Keeping the flammable products at a distance from ovens

4. Not leaving any on- going cooking product on oven  

5. Maintaining the electrical cords annually or whenever needed is essential to prevent fire

6. Shutting off the power suppliers at home when not in use is necessary and

7. Storing of flammable products carefully and away from children lowers the risk of fire attacks.  

List the 5 food groups and an example of each

Answers

Answer:

1 Carbohydrates

2.Protein

3 Milk and dairy products

4 Fruit and vegetables

5 Fats and sugars

Explanation:

1 Carbohydrates

-One slice of bread, one roll or half a pizza.

2.Protein

-Two slices of cold ham, turkey and chicken.

3 Milk and dairy products

-One glass of milk.

4 Fruit and vegetables

-One apple, orange, pear or banana or similar sized fruit.

5 Fats and sugars

-This group contains butter, margarine, cooking oils, cream, salad dressings, chocolate, crisps, sugary soft drinks, sweets, jam, cakes, pudding, biscuits and pastries.

Answer:

1.Fruits (ie. apples, bananas...)

2: Vegetables (ie. spinach, celery, carrots...)

3: Grains (ie. cereal foods, mostly whole grain...)

4: Protein Foods, (such as Meat, poultry, fish, seafood, eggs, nuts, seeds, soy products and beans)

5. Dairy (ie. milk,cheese...)

Hope this Helps!

What did Tia enter in item #2 of the flowchart to
further explain the process of a hepatitis B infection?
ic
titis
es
ease
flow
This pathogen spreads through childbirth or close
physical contact with an infected person.
People with strong immune systems fight hepatitis
infections more easily.
This pathogen infects people who practice safe
food handling practices.
Genetic makeup places some people at risk for
contracting hepatitis.

Answers

Answer:

This pathogen spreads through childbirth or close physical contact with an infected person

Explanation:

This pathogen spreads through childbirth or closes physical contact with an infected person.

What is hepatitis B?

Hepatitis B is probably life-threatening liver contamination due to the hepatitis B virus (HBV). It's far the main international health trouble. It is able to cause chronic contamination and places human beings at high threat of death from cirrhosis and liver cancers.

How is hepatitis B infected?

Hepatitis B is unfold when blood, semen, or other frame fluids from someone infected with the virus enters the frame of a person who is not inflamed. this can manifest thru sexual contact; sharing needles, syringes, or different drug-injection gadgets; or from mother to toddler at birth.

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How does Alcoholics Anonymous help people deal with alcoholism?
OA. It holds meetings where alcoholics and their family members can gather and discuss how alcoholism affects their lives.
OB. It encourages alcoholics to commit themselves to sobriety by sharing their past experiences and future goals,
C.
It focuses on alcoholism as a physical disease, instead of a mental problem that can be cured with the right treatment.

Answers

Answer:

B. It encourages alcoholics to commit themselves to sobriety by sharing their past experiences and future goals.

Explanation:

From experience this is what I've learned.

what is the failure of taking reasonable actions to protect others from harm​

Answers

Negligence of an individual can lead to serious damage of other individual. Negligence is considered as violation of one’s responsibility resulting in harmful consequences. The responsibility includes- care towards someone without neglecting them.

However, negligence is a branch of legal responsibility which should involve lawful actions against the person causing harm to other person. Negligence is carelessness and misconduct towards the person owed responsibility. To avoid the risk of causing damage to others, negligence should be avoided.

Answer:

negligence

Explanation:

This chart shows the poverty rate for families with single parents and those with married parents.

A graph titled Percent of Families Living in Poverty. 37.1% are single parent families. 6.8% are married parent families.

What is one possible outcome for children living in single-parent homes?

They are more likely to afford college without student loans.
They are less likely to rely on reduced-cost school lunches.
They are more likely to live in middle-class neighborhoods.
They are less likely to have money for extracurricular activities.

Answers

Answer:

The last one.

Explanation:

There is usually only one income in a single parent household.

Living in poverty as a child in a single-parent home can often result in limited financial resources for extracurricular activities. The correct option is "They are less likely to have money for extracurricular activities.".

Poverty can restrict a family's ability to afford the expenses associated with participating in extracurricular activities, such as sports team fees, equipment costs, transportation expenses, or membership dues.

These activities can provide important opportunities for personal growth, skill development, socialization, and enrichment.

However, children from single-parent homes facing financial constraints may be at a disadvantage when it comes to accessing these opportunities, potentially limiting their participation and experiences outside of their regular academic curriculum.

This disparity in access to extracurricular activities can impact their overall development, social interactions, and opportunities for personal growth compared to children from more financially stable households.

Thus, the correct option is "They are less likely to have money for extracurricular activities".

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which structure is correctly described as exhibiting bilateral symmetry?

Answers

eyes. human body is almost completely bilateral if you have all your body parts. a sagittal plane divides the body from left side to ride side almost like a mirror image. bilateral symmetry is correctly described as your eyes or your ears. humans cant display radial or spherical symmetry either

Answer:

The second option is the correct answer.

Explanation:

Bilateral symmetry is an imaginary line that divides the body into two equal, or nearly equal, half. This division will form a division of two symmetrical parts.

Bilateral symmetry is one of the most used characteristics in the classification and description of living beings. This symmetry is present in chordates, mollusks, arthropods, angiosperms just to name a few.

In the question above, the second option, among the options shown, shows an example of bilateral symmetry.

Which strategy helps a person stop smoking?
O setting a budget for cigarettes
O getting medicine
O keeping the same personal behaviors
O maintaining an old social routine

Answers

Answer:

Getting medicine

Explanation:

Medicine can help with the addictive properties,by giving you just a little bit of nicotine. So it won't will be less. And slowly but surely you'll get used to using less and less.

I believe it is B. Getting medicine

2 Points
Why is it inaccurate to call karate a martial art?
A. Martial arts were developed in Taiwan, while karate was developed
in Okinawa.
O
B. Karate uses weapons, while martial arts do not.
C. Karate was not designed to be used in combat.
O
D. Only children practice karate.
SUBMIT

Answers

C. Katate was not designed to be used in combat

C. Karate was not designed to be used in combat.

that's  Why is it inaccurate to call karate a martial art

What is a martial art?

Martial art is one of the methods of fighting, often without weapons, for example, kung fu, karate, judo, etc.

What are the benefits of martial arts?

Full Body Workout

Increased Flexibility

Better Coordination

Self-Defense Skills.

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Which is the best definition of family planning?
A.
studying a variety of forms of birth control to avoid pregnancy when someone is too young to raise a child
B.
deciding when to have children and knowing what constitutes safer sex and reproductive health
OC. parents working with children to plan the number and spacing of future children in the family

Answers

Answer: B

Explanation:

Final answer:

Family planning is deciding when to have children and knowing what constitutes safer sex and reproductive health. It involves a wide range of aspects such as contraception, sexual health education, and preparing for child-rearing.

Explanation:

The best definition of family planning is option B: deciding when to have children and knowing what constitutes safer sex and reproductive health. Family planning is a comprehensive concept that encompasses not only planning the timing and number of children but also understanding the aspects of reproductive health and safer sex. It includes a wide range of aspects such as contraception, prevention and management of sexually transmitted infections, pre and post-natal care, infertility treatment, and education about reproduction. By planning, families can ensure that they are emotionally, physically, and financially ready to raise children.

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Identify three long-term effects of anorexia.

Answers

Answer:

the answer is sensitivity to cold, hair loss, starvation

Explanation:

the answer cant be obesity because anorexia is eating alot and then throwing it up so that they dont gain weight.

Sensitivity to cold, hair loss, and starvation im pretty sure.

Why are health and fitness important for maintaining quality of life? Health and fitness increase resting arterial blood pressure. Health and fitness increase LDL cholesterol. Health and fitness increase resting heart rate. Health and fitness increase strength and stamina.

Answers

Hey there!

I would go with Answer Choice 4. Health and fitness increase strength and stamina.

This is the most positive choice, and health and fitness do increase strength and stamina.

Hope this helps!

Final answer:

Health and fitness improve the quality of life by enhancing cardiovascular health and fitness, reducing resting heart rate, removing LDL cholesterol, and increasing strength and stamina.

Explanation:

Health and fitness are critical for maintaining quality of life. Regular exercise improves cardiovascular health by increasing the size and mass of the heart, thus enabling the heart to pump more efficiently and reduce resting heart rate. Exercise contributes to cardiovascular health and helps to prevent atherosclerosis by providing nutrients and oxygen for contraction, removing lactic acid, distributing heat generated by contraction, and aiding in venous return. Additionally, exercise also reduces overall LDL cholesterol levels, which are linked to increased risk of cardiovascular disease. Health and fitness also increase strength and stamina, extending one's physical capabilities and resilience. In essence, maintaining good health and fitness minimizes the risk of various health complications and improves the quality of life.

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Audits can be categorized into five types: (1) financial statement audits,(2) audits of internal control, (3) compliance audits, (4) operational audits,and (5) forensic audits. Required: For each of the following descriptions, indicate which type of audit (financial statement audit, audit of internal control, compliance audit, operational audit, or forensic audit) best characterizes the nature of the audit being conducted. Also indicate which type of auditor (external auditor, internal auditor, government auditor, or forensic auditor) is likely to perform the audit engagement. a. Evaluate the policies and procedures of the Food and Drug Administration in terms of bringing new drugs to market. b. Determine the fair presentation of Ajax Chemicals balance sheet, income statement, and statement of cash flows. c. Review the payment procedures of the accounts payable department for a large manufacturer. d. Examine the financial records of a division of a corporation to determine if any accounting irregularities have occurred. e. Evaluate the feasibility of forecasted rental income for a planned low income public housing project. f. Evaluate a companys computer services department in terms of the efficient and effective use of corporate resources. g. Audit the partnership tax return of a real estate development company. h. Investigate the possibility of payroll fraud in a labor union pension fund. Solve (32-5)+(3*4-2)= True False. First angle projection type used in United states. When a sea urchin egg is removed from theocean and placed in freshwater, the eggswells and bursts. Which of these causeswater to enter the egg?A) CoagulationB) Sodium pumpC) Active transportD) Osmosis Simplify these expressions.a. 4c + 9 + 3b. 10x + (4) + (10)c. 9 + 3x + 14d. 11y + 6 + (7) If you travel south from the equator to 25S, how far will you have to travel? The circumference of the earth is approximately 40,000 km or 24, 900 mi. Tessa made a mistake solving the equation 4(2x + 3 ) = -20. Select the line in which her mistake appears. Line 1. 4 (2x + 3) = -20Line 2. 8x + 12 = -20Line 3. 8x = -8Line 4. x = -1 How did inventions help industry grow Pro-Tect Insurance Company has recently been paying out more on car-theft claims than it expected. Cars with special antitheft devices or alarm systems are much less likely to be stolen than are other cars. Consequently Pro-Tect, as part of an effort to reduce its annual payouts, will offer a discount to holders of car-theft policies if their cars have anti-theft devices or alarm systems.Which of the following, if true, provides the strongest indication that the plan is likely to achieve its goal?(A) The decrease in the risk of car theft conferred by having a car alarm is greatest when only a few cars have such alarms.(B) The number of policyholders who have filed a claim in the past year is higher for Pro-Tect than for other insurance companies.(C) In one or two years, the discount that Pro-Tect is offering will amount to more than the cost of buying certain highly effective antitheft devices.(D) Currently, Pro-Tect cannot legally raise the premiums it charges for a given amount of insurance against car theft.(E) The amount Pro-Tect has been paying out on car theft claims has been greater for some models of car than for others. In the formula I=P.rt, what does r stand for?a. Rate: the percent that interest is paid annually as a decimalb. Ratio: the size of the interest interval compared to timeReturn: how much money you end up earningd. Reserves: how much money you have in the investmentC.RoPlease select the best answer from the choices providedMark thin and natureSave and ExitSithmitvity ___________ is a molecule that picks up electrons from NADH dehydrogenase and delivers it to cytochrome C reductase a. Ubiquinone b. Quinone c. dehydrogenase d. ATP synthase An anchor made of iron weighs 833 N on the deck of a ship. If the anchor is now suspended in seawater by a massless chain, what is the tension in the chain? (Note: The density of iron is 7800 kg/m3 and the density of seawater is 1025 km/m3) Did lettuce seed germination respond in a predictable way Describe the trend AND mention any concentration that did not fit the trend 2. 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