the nasal cavity there are two openings, one from each fossa, called choanae that give entrance to the nasopharynx and rest of the respiratory tract. The choanae are also called the posterior nostrils. There is a nasal valve area in the nose that is responsibe for providing resistance to the flow of air.
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Answer:
the nasal cavity there are two openings, one from each fossa, called choanae that give entrance to the nasopharynx and rest of the respiratory tract. The choanae are also called the posterior nostrils. There is a nasal valve area in the nose that is responsibe for providing resistance to the flow of air.
Explanation: