Which region lies behind both the nasal and oral cavities?

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Multiple Choice

Which region lies behind both the nasal and oral cavities?

Explanation:
Think about what sits behind both the nose and the mouth. The pharynx is that muscular tube that lies posterior to the nasal and oral cavities. Air from the nose passes into the nasopharynx, and food from the mouth passes into the oropharynx; both portions are part of the pharynx, which extends downward behind these openings. The larynx, by contrast, is lower and in front of the pharynx, not behind both cavities. So the region behind both the nasal and oral cavities is the pharynx.

Think about what sits behind both the nose and the mouth. The pharynx is that muscular tube that lies posterior to the nasal and oral cavities. Air from the nose passes into the nasopharynx, and food from the mouth passes into the oropharynx; both portions are part of the pharynx, which extends downward behind these openings. The larynx, by contrast, is lower and in front of the pharynx, not behind both cavities. So the region behind both the nasal and oral cavities is the pharynx.

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