The digestion of a particular food in the small intestine produces amino acids. This food must contain mainly

The process of taking in food by an animal and its utilisation in the body is called

Which of the following carbohydrate can be digested by a cow but not by a man?

The fat present in our food is completely digested in the 

Mucus, hydrochloric acid and digestive juices are secreted by the inner lining of 

Following animals secrete substances into the blood to prevent clotting.

Amoeba catches food particles from the surrounding water by using its

The length of small intestine in adult human beings is about

The digestion of groundnut oil present in food produces

A.  Amino acid   B. Glycerol  C. Alcohol   D. Fatty acid

Water from the undigested food is absorbed mainly in the