NEET BIOLOGY

Detailed explanation-1: -Ingestion is the process of taking food into the body. Digestion is the process of breaking down food by mechanical and enzymatic action in the alimentary canal into substances that can be used by the body. Absorption is the process by which the digested food molecules are absorbed in the small intestine.

Detailed explanation-2: -The intake of food substances through the mouth is known as ingestion. It is the first step in the process of digestion.

Detailed explanation-3: -Ingestion is the process of taking in food through the mouth. In vertebrates, the teeth, saliva, and tongue play important roles in mastication (preparing the food into bolus). While the food is being mechanically broken down, the enzymes in saliva begin to chemically process the food as well.

Detailed explanation-4: -Ingestion can be referred to as an organism’s consumption of a substance. In the case of human beings, when the food is taken in from the mouth and then masticated and swallowed for further processing, it is called ingestion. It takes place by absorbing substances by cell membranes in single-celled organisms.