Question

villi are structural adaptations in the lining of the small intestine. their function is to provide for the optimum

a. absorption of nutrients into the blood stream

b. elimination of wastes by the colon

c. movement of chyme in the stomach

d. digestion of food in the large intestine

the digestive function of bile is to

a. absorb glucose

b. hydrolyze proteins

c. emulsify fats

d. digest lipids

Explanation:

Villi in the small intestine increase surface - area for nutrient absorption. Bile emulsifies fats, breaking them into smaller droplets for better digestion by lipases.

Answer:

1. A. absorption of nutrients into the blood stream
2. C. emulsify fats