Author Question: What are the major roles of the villi and microvilli in the small intestine? a. The microvilli ... (Read 33 times)

awywial

  • Hero Member
  • *****
  • Posts: 577
What are the major roles of the villi and microvilli in the small intestine?
 a. The microvilli absorb nutrients into the lymphatic system.
 b. The microvilli trap nutrients so the villi cells can absorb them.
 c. The villi block toxins from absorption into the blood.
 d. The villi complete the breakdown of foods into nutrients.
 e. The microvilli facilitate digestion of a greater percentage of deficient nutrients.

Question 2

Phosphorus and calcium form the chief crystal of bone called _____.
  1.marrow
  2.bone matrix
  3.hydroxyapatite
  4.boneapatite
  5.none of these choices



ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

b

Answer to Question 2

3



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

For a complete list of videos, visit our video library