Describe the five phases of nutrition in human.
Difficulty: Easy
Phases of Nutrition in Animals:
Nutrition in animals occurs in five phases namely ingestion, digestion, absorption, assimilation, and defecation.
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1-Ingestion |
The process of taking in food. |
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2-Digestion |
The process of breaking up complex substances into simpler substances. |
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3-Absorption |
Diffusion of digested food into blood and lymph |
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4-Assimilation |
Conversion or incorporation of absorbed simple food into the complex substances constituting the body |
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5. Defecation |
Elimination of undigested food from the body |
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