Science, asked by nimraamin15, 3 months ago

why grinding and lubrication are necessary for swallowing?​

Answers

Answered by TheEmeraldGirl
4

Explanation:

There, food is mixed with saliva for lubrication and placed on the back of the ... swallows and peristaltic waves may be necessary to evacuate the liquid.

Answered by itspinkglitter
1

Answer:

The structures involved in deglutition include the tongue, hard and soft palate, pharyngeal muscles, esophagus, and gastroesophageal junction. Coordination of swallowing is controlled by the trigeminal (CN V), facial (CN VII), glossopharyngeal (CN IX), vagus (X), and hypoglossal (CN XII) nerves and their nuclei.

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