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Saturday, 25 August 2018

Describes the process of digestion and absorbing in mammals?




Describes the process of digestion and absorbing in mammals?


The mammalian digestion and absorbing process consist of following tract;

1. Ingestion;      The process in which mammals  are eating.
2. Peristalsis;     The involuntary muscular contractions that move ingested nutrients towards the digestive tract.
3. Segmentation
;     In these process mixing the contents in the digestive tract.
4. Secretion
;       The release of hormones, enzymes, and specific ions and chemicals that take part in digestion.
5. Digestion
;        These part involve the conversion of large nutrient particles or
molecules into small particles or molecules.
6. Absorption
;       The passage of usable nutrient molecules from
the small intestine into the bloodstream and lymphatic system for the final passage to body cells.
7. Defecation
;       The elimination from the body of undigested
and unabsorbed material as waste.

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