explain the process of digestion
Answers
Explanation:
- The process of digestion include six activities :injection.,propulsion, mechanical or physical digestion, chemical digestion, absorption and defecation.
Answer:
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Tge human digestive system consists of the gastrointestinal trach plus the accessory organs of digestion (the tongue, salivary glands, pancreas, gallbladdy). In this system, the process of digestion has many stages, the first of which starts in the mouth (oral cavity). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The secretion if saliva helps to produce a bolus which can be swallowed to pass down the oesophagus and into stomatch.
Saliva contain of catylic enzyme called amylase which starts to act on food in yhe mouth. Another digestive enzyme called lingual lipase is secreted by some lingual papillae on the tongue amd also from serous glands in the main salivary glands. Digestion is helped by the muscular actions of paristalsis and segmentation contraction. Gastric juice in the stomach is essential for the continuation of digestion as the production of stomatch