Answers

2015-09-21T16:38:22+05:30
NUTRITION IS THE PROCESS OF TAKING IN FOOD AND ITS UTILIZATION BY AN ORGANISM. in humans there are 5 process of nutrition:-
1. ingestion- the process of taking in food by mouth through the outside world.
2. digestion- the process of breakdown of food into smaller p[ieces.
3. absorbtion- the villi in small intestine absorb food and transport them through blood vessels.
4. assimilation- the cells use the absorbed food to release energy.
5. egestion- the process of removing unwanted waste materials out of body. 
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