clemsongirl2214 clemsongirl2214

03-11-2021
Biology

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The acts as the first sphincter of the digestive tract by voluntarily controlling entrance into the .

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smithalexis85089 smithalexis85089

03-11-2021

Answer:

The orbicularis oris acts as the first sphincter of the digestive tract by voluntarily controlling entrance into the buccal cavity.

Explanation:

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