Which muscle is located on the sides of the nose and controls the nasal openings by compressing and dilating them?

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Multiple Choice

Which muscle is located on the sides of the nose and controls the nasal openings by compressing and dilating them?

Explanation:
The muscle that sits on the sides of the nose and controls the nostrils by both compressing and widening them is the nasalis. It has two parts: the part that tightens the nostril opening, making it smaller, and the part that pulls the sides of the nose outward to enlarge the opening. This combination lets the muscle adjust the size of the nasal openings as needed. Other listed muscles surround the mouth or the forehead and don’t move the nostrils, so they don’t fit the description.

The muscle that sits on the sides of the nose and controls the nostrils by both compressing and widening them is the nasalis. It has two parts: the part that tightens the nostril opening, making it smaller, and the part that pulls the sides of the nose outward to enlarge the opening. This combination lets the muscle adjust the size of the nasal openings as needed. Other listed muscles surround the mouth or the forehead and don’t move the nostrils, so they don’t fit the description.

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