What role does muscular tissue play in the digestive system?

Answers

Answer 1
About half of a body’s weight is muscle. Muscle tissue is of three distinct types: skeletal, cardiac, and smooth. Each type has a unique structure and a specific role. Skeletal muscle moves bones. Cardiac muscle contracts the heart to pump blood. The smooth muscle tissue that changes shape to facilitate bodily functions of intestine and bladder. Here are more details about the structure and function of each type of muscle tissue in the human muscular system. 

Related Questions

The benefit of social behavior that refers to searching for and collecting food is referred to as

Answers

Answer: Foraging

Explanation:

Foraging is a type of social behaviour in which an organism searches for wild food resources and it is important for animal's fitness because it determines its ability to survive and reproduce in a given environment. In behavioural ecology foraging theory is a branch which is concerned with studying the foraging behaviour of the animals in response to the environment where the animal is living. Thus, foraging is the benefit of social behaviour which involves searching for and collecting food.

The _____ Era follows the end of the Paleozoic Era. choices: Precambrian Mesozoic Paleozoic Cenozoic

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Answer:

the precambrian follows the end of the paleozoic era.

The factory can affect the carbon cycle by releasing carbon dioxide into the atmosphere. Because carbon dioxide is a , it can trap the Sun’s heat in the atmosphere. Because the factory is made of concrete, it may deplete groundwater levels over time by not allowing water to .

Answers

Because carbon dioxide is a GREENHOUSE GAS, it can trap the sun's heat in the atmosphere. Because the factory is made of concrete, it may deplete groundwater levels overtime by not allowing water to INFILTRATE.

Greenhouse gases trap the sun's heat and this is how we can feel it. Without greenhouse gases the earth's average temperature would be 30 degrees less. Other greenhouse gases include water vapor and methane. Increases in the levels of Greenhouse gasses are responsible for present day global warming.

Infiltration is the process by which water enters the soil and eventually becomes part of the groundwater.

The carbon cycle is the continuous flow or the movement of the inorganic and organic carbon molecules and compounds in the atmosphere and various spheres of the planet.

Greenhouse gas and infiltrate is the correct blanks.

What is the role of carbon?

Carbon dioxide is one of the components of the greenhouse gas responsible for global warming and the increase in the temperature of the planet. They majorly trap the heat from the sun and warms the planet's atmosphere.

Greenhouse gases like carbon dioxide, oxygen, nitrogen etc are responsible for maintaining the temperature of the planet and hence, plays a major role in global warming.

The factories are made up of concrete material and do not allow water flow or infiltration. The water runoff from various sources like rain does not get infiltrated into the soil due to the non-porous hard concrete material.

Therefore, greenhouse gas and infiltrate are the correct blanks.

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The animals in the food web release _____________ into the environment, which plants then use for ___________.

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The animals in the food web release CARBON DIOXIDE into the environment, which plants then use for PHOTOSYNTHESIS.

ANSWER: carbon dioxide and photosynthesis

Hope this helps! :)

Answer: The correct answer for the blanks are-

1) Carbon dioxide

2) Photosynthesis.

Animals present in the food web (an interconnected network of food chains within an ecosystem) perform cellular respiration (oxidation of food to derive energy and release carbon dioxide and water) and release carbon dioxide in the environment as a waste product.

Plants utilise this carbon dioxide along with water (in the presence of sunlight) to synthesise their own food. This process that is called photosynthesis.

Thus, the correct answers are- carbon dioxide and photosynthesis.

Which factor would most likely influence an environment's carrying capacity for field mice?

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Umm... I believe you haven't shown the answers? But anyways, a carrying capacity is the maximum amount of organisms that can live within an environment. Once they reach carrying capacity, they typically begin to die off because there isn't enough food to provide to everyone.

What kind of microscope has the greatest magnification?

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Electron microscopes have the greatest magnification. In addition, they have higher resolving power compared to other types of microscopes. They use electrons to illuminate an object and also to create an enlarged image. Some of these microscopes can magnify a specimen up to about 2 million times. 

Which chemical in tobacco smoke binds to hemoglobin, causing red blood cells to carry less than their normal load of oxygen?

Answers

Carbon dioxide I think
Final answer:

Carbon monoxide in tobacco smoke binds to hemoglobin in red blood cells, reducing the oxygen-carrying capacity. It binds to hemoglobin more strongly than oxygen, blocking oxygen binding sites and impeding oxygen transport. This can lead to shortness of breath and potential tissue damage.

Explanation:

The chemical in tobacco smoke that binds to hemoglobin is carbon monoxide. When a person inhales tobacco smoke, the carbon monoxide present in the smoke competes with oxygen to bind with hemoglobin in red blood cells. As a result, less oxygen can be transported throughout the body because many of the hemoglobin molecules, which should be carrying oxygen, are instead bound to carbon monoxide. This reduces the overall oxygen-carrying capacity of the red blood cells.

Effects of Carbon Monoxide Binding to Hemoglobin

When carbon monoxide binds to hemoglobin, it forms carboxyhemoglobin which has a much stronger bond with hemoglobin than oxygen. This makes it hard for the bond to break, preventing oxygen from being able to bind. The lack of oxygen in tissues due to carboxyhemoglobin formation can lead to severe health issues including shortness of breath, tissue damage, and in severe cases can even be fatal.

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During transcription, in which direction is (1) rna synthesized and in which direction is (2) the dna template "read"?

Answers

(1) 5'→3';

(2) 3'→5'

 

During transcription, after the RNA polymerase has bound the promoter it begins to elongate the RNA primer in the 5’ to 3’ direction. However, the polymerase reads the DNA template in 3’ to 5’  direction. This is due to the fact that the created strand must be antiparallel to the template strand.






Final answer:

In transcription, RNA is synthesized in the 5' to 3' direction, while the DNA template is 'read' in the 3' to 5' direction by RNA polymerase.

Explanation:

During transcription, which is the process of synthesis of RNA from a DNA template, (1) RNA is synthesized in the 5' to 3' direction. This means that the RNA polymerase, which is the enzyme that creates the RNA strand, adds new nucleotides to the 3' end of the growing chain of RNA. On the other hand, (2) the DNA template is 'read' in the 3' to 5' direction by the RNA polymerase, which means that it starts at the 3' end of the DNA and moves towards the 5' end. This directionality is critical for the accurate processing of genetic information from DNA to RNA.

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Which of the following is NOT considered a mineral?
Quartz
Coal
Pyrite
Silver

Answers

Coal isn’t a mineral.Coal is made of decomposed plant material which is organic , minerals are inorganic .

Which of the following best explains how introducing an invasive plant species to an ecosystem would affect the ecosystem over a long period of time?

A) The plants would eventually form mutualistic relationships with native plant species.

B) It would harm the ecosystem since the plants would compete with native plants for water, sunlight, and space.

C) It would benefit the ecosystem since the plant species would serve as a food source for herbivores.

D) The plants would crossbreed with native plant species and increase biodiversity in the ecosystem.

Answers

B
Invasive plant species would end up harming the ecosystem in the long run.  this is because it competes, usually unfairly , for space,sunlight and water and minerals.
Invasive species are very interruptive and often contribute to the extinction of endangered species in an ecosystem.

B. is the correct answer

What structural modification of the small intestine slows the movement of chyme through the lumen?

Answers

Circular folds are structural modification of the small intestine slows the movement of chyme through the lumen..

Segmentation, involving the contraction of circular muscles, slows the movement of chyme through the small intestine. This process helps enhance nutrient absorption by mixing the chyme thoroughly.

The structural modification of the small intestine that slows the movement of chyme through the lumen is called segmentation.

This process involves the contraction of circular muscles to create temporary segments that resemble sausage links. This segmentation mixes the chyme and allows it to slosh back and forth, enhancing nutrient absorption by ensuring thorough contact with digestive juices and the intestinal mucosa.Additionally, the anatomy of the small intestine itself, with its highly folded surfaces, villi, and microvilli, increases surface area, thereby aiding slower and more effective absorption of nutrients.

Short, rhythmic bursts of brainwave activity that appear during stage 2 sleep are called ________.

Answers

Final answer:

Sleep spindles are the short, rhythmic bursts of brainwave activity that occur during stage 2 sleep. They tend to become less frequent as the sleep cycle progresses and are believed to aid in learning and memory processes and protect sleep from external disturbances.

Explanation:

Short, rhythmic bursts of brainwave activity that appear during stage 2 sleep are known as sleep spindles. Sleep spindles typically last about 0.5 to 2 seconds and occur intermittently throughout the night, becoming less frequent as the sleep cycle progresses. They are integral to various sleep-dependent learning and memory processes. Considered as a defining characteristic of stage 2 sleep, their function is believed to help protect sleep from awakening by external stimuli.

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Final answer:

During stage 2 of sleep, short rhythmic bursts of brainwave activity called sleep spindles occur. This stage of sleep also features K-complexes, high amplitude patterns of brain activity. These elements are part of non-REM sleep, signifying a state of deep relaxation for the body.

Explanation:

The short, rhythmic bursts of brainwave activity that appear during stage 2 sleep are known as sleep spindles. Sleep spindles are sudden bursts of higher frequency brain waves that could have a role in learning and memory. On top of the sleep spindles, stage 2 is also characterized by the presence of K-complexes, very high amplitude patterns of brain activity that can occur in response to environmental stimuli, serving potentially as a bridge to higher levels of arousal.

Stage 2 of sleep is part of non-REM (NREM) sleep, which comprises the first three stages of our sleep cycle. It is a period of deep relaxation for the body, dominated by theta waves. These stages are distinguished from each other and from wakefulness by unique patterns of brain wave activity.

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HELP PLEASE EXPLAIN YOUR ANSWER!!!
1. All eukaryotic cells have a cytoskeleton, including plant cells, which have cell walls as well. What does the cytoskeleton in a plant cell do that the cell wall cannot? (2 points)


It acts as a framework inside the endoplasmic reticulum and keeps it from collapsing.
It helps keep the organelles in place and directs their movement as needed.
It provides energy and helps to move molecules throughout the cell.
It keeps the DNA safely enclosed in the nucleus and holds the nucleus together.

2. Cellular respiration is a series of complicated reactions. Some of the enzymes that are necessary for the reactions to take place effectively are not produced by the body and must be eaten in a person's diet. Which answer correctly explains what happens when a person's diet lacks the necessary enzymes for cellular respiration? (2 points)


The production of ATP will increase as the enzyme decreases.
The cellular respiration reactions will use another available enzyme.
The cellular respiration reaction rate that uses the missing enzyme will increase.
The cell's energy level will diminish as the enzyme decreases.

3. While the average human is able to hold his or her breath for approximately one minute, a whale can dive for over 30 minutes without returning to the surface. Which of the following correctly describes this difference? (2 points)


Whales need less energy than humans.
Whales gather energy from their environment better than humans.
Whales are able to conserve oxygen better than humans.
Whales have cells that produce energy differently than humans.

Answers

1. it acts as a framework inside the endoplasmic reticulum and keeps it from collapsing . It helps keep the organelles in place and directs their movement as needed . it keeps the DNA safely enclosed in the nucleus and holds the nucleus together . It provides anchoring places for the cell cytoplasm and help it move molecules.

2. D) The cell's energy level will diminish as the enzyme decreases

3. Whales have cells that produce energy differently than humans.

1. The right answer is It helps keep the organelles in place and directs their movement as needed.

The cytoskeleton provides a certain rigidity to the cell and serves for the fixation of organelles (equivalents for the organ cell for an organism).

The cytoskeleton is constantly reorganized and thus governs the internal movements (displacement of chromosomes for example) and the deformations of its membrane (production of protuberances, invaginations, sites of adhesions ...).


2. The right answer is The cell's energy level will diminish as the enzyme decreases.

Cellular respiration is the set of biochemical reactions leading to the formation of ATP,  energy source of the cell.

This mechanism consumes oxygen and creates carbon dioxide as waste. That's why we talk about cellular respiration.

It is the three-step set, glycolysis, the Krebs cycle and the electron transport chain related to oxidative phosphorylation, which lead to the formation of ATP. If these reactions are not assured by lack of enzymes then there will be no production of ATP (energy production).


3. The right answer is Whales are able to conserve oxygen better than humans.

As the duration of the dive of some whale species can reach more than one hour, they use other means to breathe. In vertebrates, myoglobin, a protein, transports and stores oxygen in muscle tissue. It works like hemoglobin that carries oxygen in red blood cells. It is also myoglobin concentration very strong that makes their flesh bright red color, almost black. Thus, whales use the oxygen stored in the muscles to dive for long periods.

how are the rings of the gas giants theorized to have formed

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Dust and many other particles gathered up and formed around by a gravitational pull.

Food choices can be influenced by environmental factors, such as

Answers

They can be influenced by advertisements ( commercials for fast foods) 

The brainest answer would be appreciated. 
Final answer:

Environmental factors that influence food choices include availability of fresh food, socio-cultural influence, and economic factors. If fresh food isn't available, people may consume more processed food. Cultural background can affect preferred dishes, and affordability influences which foods a person can buy.

Explanation:

Food choices can indeed be influenced by various environmental factors. For instance, the availability and accessibility of fresh food in a certain area can significantly impact the dietary choices individuals make. This is often referred to as a 'food desert' situation. If there are no markets in a nearby area offering fresh foods, people are more inclined to purchase processed foods from local stores, which can lead to negative health outcomes due to a lack of nutritious options.

Another environmental factor can be socio-cultural influence. The cultural background, traditions, and social status can deeply affect food choices as well. For instance, in some cultures, certain food items are considered a delicacy, whereas in others, the same may not be preferred.

Lastly, economic factors also play a role in food behavior. Affordability influences what a person can buy. If healthier food options are more expensive, someone with a tight budget might opt for cheaper, less nutritious foods.

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Triangular facets are associated with what type of faulting

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The flat surface although decline, which occurs along the fault scarp. Triangular facets.

During which geologic period did plants and animals fi rst appear in land environments?

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They appeared in the Tertiary/Quaternary and Cretaceous period.

Testicular cancer risk is highest for adolescents and men younger than age 35. to specifically address testicular cancer risk, a nurse should modify client teaching for male clients to include:

Answers

The answer is testicular self-examination.  This is due to revelations that most testicular cancers are discovered through self-examination than by a physician. Self –examination also allows for early detection of testicular cancer. Therefore, it is important for the nurse to teach the client how to observe what would be normal and what would be abnormal with his testicles.






Can someone answer 13-18 pls not 20

Answers

13. B
14.meiosis
15. Heredity
16. 6 chromosomes. One chromosome from each pair ends up in one gamete.
17. DNA must undergo replication.
18. The sex cells end up with only two chromosomes each, half the number found in the parent cell. Each sex cell has one chromosomes from each original pair.

You’re welcome:)

Earth is not filled to the brim with elephants, or ants, or ferns, or geckos. what prevents a population from growing forever

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elaephants eat ferns 
gekos eat ants

If a normal human cell has 46 chromosomes how many chromosomes will it's daughter cell have?

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Every sperm and ovum has 23 chromosomes. When they fertilize the total chromosomes become 46. After fertilization zygote or egg cell is formed.

If the organism used up all the carbohydrate in the fermentation tube, what would the organism use for energy?

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they would use lipids, fats. These lipids have been stored for energy.

The organism would use alternative sources of energy, such as proteins or amino acids, and possibly lipids if they are present. The color of the indicator, typically phenol red, would turn more basic (alkaline), shifting from yellow (acidic) to pink or red (basic).

If an organism exhausts all the carbohydrates in a fermentation tube, it will turn to alternative energy sources like proteins or lipids. As it metabolizes proteins, ammonia is produced, which increases the pH and makes the environment more alkaline. This shift causes the pH indicator in the fermentation tube, typically phenol red, to change color.

Initially, the indicator is yellow in acidic conditions (due to carbohydrate fermentation). When the pH becomes alkaline from protein metabolism, the indicator turns pink or red. This color change indicates that the organism has switched from fermenting carbohydrates to metabolizing other substrates.

Complete Question:

If an organism used up all the carbohydrates in the fermentation tube, what would the organism use for energy? What color would the indicator be then?

Which is located at the top of the brain and is responsible for the processing sensory information?

Answers

hippocampus I hope this helped

The correct answer is the parietal lobe.

The traits of an organism are passed to its offspring on small coded strands of dna material called

Answers

The answer is genes. Genes is the simplest unit in terms of function and physical unit of heredity. These are made of enormous number of DNA which act as the intructions to make the molecules needed by the organisms. Each organism have two copies of genes, usually one is inherited from the parent. Alleles are forms of same gene with slight differences in the DNA sequence. This can help in the unique physical attribute of the organism. Each genes are made of DNA. Each chromosome contains many genes.

The community nurse is educating client groups about nutrition. which group does the nurse identify that will benefit most from nutritional counseling and intervention?

Answers

Older adults who are lives on a fixed income is the group that the nurse identifies will be benefiting most from nutritional intervention and counseling.

The other individuals are not at the same risk level. Older people are particularly vulnerable to malnutrition.
 Many of the diseases which are suffered by older people comes as a result of dietary factors and the factors are compounded by charges which naturally occur with the process of aging.

Zones in which interpersonal interactions can take place are known as ____.

Answers

Zones in which interpersonal interactions can take place are known as proxemics

Edward Hall, a famous anthropologist coined the term ‘Proxemics. He was interested in understanding how humans use space in communication. Thus, proxemics is about the study how humans using space during their communication with others. It is about how close one stand to someone, whether one touches each other and how comfortable we feel are all part of the study of proxemics.

The balanced equation for photosynthesis is shown below. 6 CO2 + 6 H2O → C6H12O6 + 6 O2 What best explains whether mass is conserved or not during photosynthesis?

It is not conserved because the total numbers of H atoms and O atoms are not equal on both sides.

It is not conserved because the total numbers of O atoms and C atoms are not equal on both sides.

It is conserved because the total number of H atoms on each side is 1.

It is conserved because the total number of O atoms on each side is 18.

Answers

Hello!

The statement that best explains whether the mass is conserved or not during photosynthesis is that It is conserved because the total number of O atoms on each side is 18.

This comes from the Law of Conservation of Mass. It was discovered by Antoine Lavoisier, who is often called "the father of Chemistry". It states that matter is neither created nor destroyed in chemical reactions and that it only changes. In Photosynthesis, the chemical reactions transform the Oxygen in carbon dioxide and water to sugars and molecular oxygen.

Have a nice day!

Answer:It is conserved because the total number of O atoms on each side is 18.

Explanation:

What would be the most likely effect of puberty on self-esteem and confidence for ruth?

Answers

Ruth's self-esteem and self-confidence all will be at normal levels.

When a teen reaches puberty she has no direct effect on self-esteem or confidence. The kind of looks which changes at this stage can make a person to lose self-esteem.
The best way is a person to take care of herself or himself. Puberty stage is when a girl starts to see some hair in the armpits and on the private parts. Even the voice changes.

Think of an animal and list two resources that it might compete for, then describe what adaptations this animal has to compete for these resources

Answers

An animal is a kangaroo.

Two resources that a kangaroo might have to compete for is grasses and shrubs.

Due to many animals eating grasses and shrubs, overgrazing could happen. If there is not enough grass in a specific location where animals live, then the animals may die from starvation.

Two adaptations that kangaroos have is they can use their legs to jump from place to place up to high speeds.

Also, kangaroos from desert and semi-arid environments have adapted to drier conditions and have several features that help them deal with the lack of water.

Hope this helped!

Food moves through the digestive tract by peristalsis, which is produced by wavelike contractions of ______ muscles answers

Answers

Food moves through the digestive system tract by peristalsis, which is produced by wavelike contractions of INVOLUNTARY muscles

involuntary         is the answer for sure

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