digestion in man in 100 words
Answers
Answer:
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. The process of digestion has three stages. The first stage is the cephalic phase of digestion which begins with gastric secretions in response to the sight and smell of food. This stage includes the mechanical breakdown of food by chewing, and the chemical breakdown by digestive enzymes, that takes place in the mouth.
Answer:
Digestion is the mechanical and chemical in which the large large insoluble food molecule to the smaller then it has been mixed with the watery blood plasma.
Explanation:
Food is passed through the food pipe and then mixed with certain enzymes in stomach and then passed through small intestine and then large intestine and then the metabolic waste will excreted out from the body.
The parts of the small intestine are Duodenum , Jejunum , Ileum.
The large intestine is consist of Cecum, Ascending colon, transverse colon and descending colon. The function of large intestine is reabsorption of water and nutrients.