Question

The main steps of nutrition in humans are ____, _____, _____, _____ and ____

Answer 1

The steps are as follows:-

1) Ingestion: The process of taking food into the body is called ingestion. 2) Digestion: the process in which the food containing large, insoluble molecules is broken down into small, water soluble molecules is called digestion. 3) Absorption: The process in which the digested food passes through the intestinal wall into blood stream is called absorption. 4) Assimilation: The process in which the absorbed food is taken in by the body cells and used for energy, growth and repair is called assimilation. 5) Egestion: The process in which the undigested food is removed from the body is called egestion.