Write about the mechanism of digestion.
Answers
Answer:
The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.
Accessory organs: Liver: produces bile salts, w...
Small intestine: Mixes chyme with digestive jui...
Mouth: Ingests food; Chews and mixes food; B...
Stomach: Mixes and churns food with gastric j...
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Explanation:
In chemical digestion, enzymes break down food particles into the small molecules that the body can absorb. As the food enters the mouth it undergoes mechanical digestion by the action of mastication (chewing) and it also becomes when it is in touch with saliva.
The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.