How does the structure of the small intestine help it to perform its function?A
Bile from the liver is secreted into the small intestine to make the absorption of nutrients more efficient.
B
Involuntary muscles of the small intestine contract to make the absorption of nutrients more efficient.
C
Salivary glands deposit saliva into the small intestine to make the absorption of nutrients more efficient.
D
Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.

Answers

Answer 1
Answer:

The correct answer is:

D .Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.

Explanation:

The small intestines are well adjusted for absorbing nutrients during digestion by being very long, having villi and microvilli that enlarge surface area, using muscular contractions to move and mix food, and raising and housing digestive enzymes and bile that aid the breakdown of food. The inner surface of the small intestine is not flat but thrown into circular folds, which not only enhance surface area but aid in preparing the ingesta by acting as baffles. Villi: the mucosa makes multitudes of ridges which project into the lumen and are satisfied with epithelial cells.


Answer 2
Answer: D- The small intestine is very long and thin. This helps increase the amount of surface area of the small intestine, so it can fully absorb the nutrients in the food. The villi are thin walled to allow the most amount of nutrients to be absorbed as possible.

Related Questions

Which of the following is a food chain in the food web shown in the figure below?
The germ cell has 2 sets of chromosomes, and the four gametes will each have one set of chromosomes. ​​​​​​​ To have enough DNA for each gamete, the DNA in the germ cell must be gizmo
Seed leaves are called _____. cotyledonsendospermsepalstendrils
In which ways are rna and dna different
In the 1920's, a woman by the name of Anna Anderson claimed to be the Grand Duchess Anastasia, the youngest daughter of Tsar Nicholas II. However, DNA testing confirmed that she was not who she claimed to be. Which of the following uses of biotechnology does this example best demonstrate?

The constellation gemini is only visible from earth for several months of the year because

Answers

Gemini is best seen through the months of January to May. It is known to be one of the most brightly lit constellations, having two very bright stars Castor and Pollux. January and February are the months where Gemini is at its highest in the sky. After May, Gemini falls low in the west-northwest region of the sky, making it less visible.

If there is a mutation in a zygote, where is it likely to be found in the fetus?A: The mutation will show up in any fetal cells formed by mitosis but not in those formed by meiosis.

B: The mutation will only be in the one cell that was the original zygote and the other cells of the fetus will not have it.

C: The mutation will occur in all the cells of the fetus since they all formed by mitosis from the zygote.

D: The mutation will only be found in the types of cells in the fetus that are formed by meiosis.

Answers

The correct answer is C.
The zygote is a single fertilized egg cell that the embryo develops from.
This one cell possesses one copy of DNA that is going to be passed to all other cells in the embryo because all other cells of the embryo develop through mitotic divisions of the zygote.
Therefore, if a mutation happens in the zygote DNA, all of the cells in the embryo are going to have it as well.

One reason that greenhouse gases can be harmful to Earth's environment is that they _____.a. trap heat
b. prevent global warming
c. allow too much heat to escape

Answers

A. Trap heat

The suns radiation is absorbed by the earth's surface. It is then re-emitted as Infrared radiation and travels to the atmosphere. Here, it is absorbed by the bonds in GHGs, causing the warming of the atmosphere, and overall, global warming. This effect, in the past, was usually incorporated into cycles such as the water and carbon cycles, and didn't really have a big effect on the atmosphere but now, due to the increased concentration of these GHGs from human emissions, global warming is a very real problem.

Answer:

The answer is A. trap heat Hopefully this helps!

What is the process of creating sugars by using sunlight to link together molecules of carbon dioxide known as?

Answers

......Photosynthesis

Which feature is most likely to have been formed by wind? A. canyon B. root pry C. sand dune D. U-shaped valley

Answers

The answer is sand dune
 it is a sand dune   and a canyon is formed by water and the wind. hope this helps   

Vasoconstriction is a term that refers to the contraction of muscle in the walls of the blood vessels, thus causing the diameter of the blood vessel to decrease. Which one of the following types of muscle would be involved in this contraction?A) smoothB) cardiacC) skeletalD) both cardiac and smoothE) both skeletal and smooth

Answers

Answer:

Explanation:

cardiac, since it is releted to heart and blood pressure