Question

discuss the major steps involved in process of nutrition in human beings

Answer 1

1. Ingestion: process of taking in food through the buccal cavity k/a injestion

2.digestion: process of breaking down food into simpler form

3.Absorption: this process takes place in small intestine, where, the digested food absorbed in the blood through villi.

4.Assimilation: food absorbed by blood which is transported to various parts of the body by blood vessels this process is k/a assimilation

5 .Egestion: process of removing the undigested food material from the body through anus