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Zielflug [23.3K]
3 years ago
11

Are the rugae caused by the muscularis mucosae or the muscularis externa

Biology
1 answer:
Step2247 [10]3 years ago
6 0
They are caused by muscular mucosae
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Answer and explanation;

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Explanation;

The oculomotor nerve is the third of 12 pairs of cranial nerves in the brain. This nerve is responsible for eyeball and eyelid movement.

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Vagus nerve; Stimulates voluntary muscles that effect swallowing, coughing and speech (conscious control).Stimulates the contraction and relaxation of smooth muscle in the gastrointestinal tract. (unconscious control).


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