A person has roti and dal for his lunch. Trace the changes in those during its passage through the alimentary canal.
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Changes that will take place in food (roti and dal) through the passage of alimentary canal are
(i) The food substances are first masticated by the teeth in the mouth, where carbohydrate part of the food is digested by the action of salivary amylase enzyme secreted by the salivary glands.
(ii) This partially digested food reaches the stomach, where it receive acidic HCl and mainly the . protein part of the food is digested by the action of proteolytic enzymes.
(Hi) The lipid part of the food is digested by the bile secreted by the gall bladder.
(iv) In the small intestine, particularly in the duodenum this semidigested food is finally digested by the digestive enzymes present in the intestinal and pancreatic juices.
(u) After digestion, the broken down products of food, i.e., amino acids, glycerol, starch, etc., are obsorbed mainly in the small intestine.
(vi) The undigested remains of food will finally pass through the anus.
(i) The food substances are first masticated by the teeth in the mouth, where carbohydrate part of the food is digested by the action of salivary amylase enzyme secreted by the salivary glands.
(ii) This partially digested food reaches the stomach, where it receive acidic HCl and mainly the . protein part of the food is digested by the action of proteolytic enzymes.
(Hi) The lipid part of the food is digested by the bile secreted by the gall bladder.
(iv) In the small intestine, particularly in the duodenum this semidigested food is finally digested by the digestive enzymes present in the intestinal and pancreatic juices.
(u) After digestion, the broken down products of food, i.e., amino acids, glycerol, starch, etc., are obsorbed mainly in the small intestine.
(vi) The undigested remains of food will finally pass through the anus.
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