GIT

Question 1

General principles

Answer 1

The alimentary tract provides the body with a continual supply of water, electrolytes, and nutrients

(1) movement of food through the alimentary tract;

(2) secretion of digestive juices and digestion of the food;

(3) absorption of water, various electrolytes, and digestive products;

(4) circulation of blood through the gastrointestinal organs to carry away the absorbed substances;

(5) control of all these functions by local, nervous, and hormonal systems