Question

b. The nasal cavity has_________ that moistens the air going inside
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Answer 1

hair

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Answer 2

The inside of your nose is lined with a moist, thin layer of tissue called a mucous membrane (say: MYOO-kus MEM-brayne). This membrane warms up the air and moistens it. The mucous membrane makes mucus, that sticky stuff in your nose you might call snot.