Author Question: What are the major roles of the villi and microvilli in the small intestine? a. The microvilli ... (Read 56 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?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

For a complete list of videos, visit our video library