Q1. [1] straightforward initial-understanding
Which of the following correctly describes the function of villi in the small intestine?
(a) They secrete digestive enzymes to break down food
(b) They increase the surface area for absorption of digested food
(c) They produce bile to emulsify fats
(d) They regulate the entry of food from the stomach
- a They secrete digestive enzymes to break down food
- b They increase the surface area for absorption of digested food
- c They produce bile to emulsify fats
- d They regulate the entry of food from the stomach