Biology, asked by gullrbq786, 6 months ago

why grinding and lubrication are necessary for swallowing

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Answered by amishakhatun18

5

Answer:

There, food is mixed with saliva for lubrication and placed on the back of the tongue. The mouth closes, and the soft portion of the roof of the mouth (soft palate) rises so that the passageway between the nasal and oral cavities is closed off. ... Once food enters the pharynx, the second stage of swallowing begins

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