A bolus is

Options

A. a mass of crushed food moistened with saliva
B. the semisolid material resulting from partial digestion in the stomach
C. the milky emulsified fat absorbed from small intestine
D. indigestible materials that help in movement and absorption of food.

Answer

A

Explanation

In the mouth, saliva moistens and lubricates the food and chewing (by teeth) breaks the food into smaller pieces. This semi-solid food is moulded into a ball known as bolus by tongue and is pushed into the oesophagus via pharynx.