19. Draw the diagram of human alimentary canal and label the following organs;
(a) performs peristaltic movements (b) stores bile juice (c) secrete pepsin
(d) absorption of food (e) absorption of water (f) Secret trypsin
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Food is crushed and cut in the mouth with the help of teeth and is mixed with saliva that is secreted by three salivary glands(one below the tongue and two at the side of the jaw) to make it wet and slippery, this process is known as mastication.
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