Labeled regions [ X and Y ] in the structure of stomach help in __________.
Entry and exit of food in small amounts.
In coming of food.
In peristaltic movement in stomach.
Excess and easy release of semi-digested food.
These structures [sphincter muscles] help in regulating the movements of food entering and leaving the stomach in small amounts.
The process of digestion of food in humans begins in:(a) stomach(b) food pipe(c) mouth(d) small intestine
________ is present in our stomach and helps in digestion of food.