Question

Fine hair and mucus are present in nasal passage

Answer 1

Answer:

Fine hair and mucus act as the first line of defense in the nasal passage. They keep foreign particles that could cause illness from entering the body. The hairs (cilia) and mucus along the nasal cavity are responsible for trapping dust and other particles in the air you inhale and sweeping it out again.

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Answer 2

Answer:

Rings of cartilage are present in the throat. 1. Fine hair and mucus are present in nasal passage for filtering the air which passes through the nasal passage. ... Rings of cartilage are present in the throat to ensure that the air passage does not collapse.

Explanation:

1. Fine hair and mucus are present in nasal passage for filtering the air which passes through the nasal passage. ... Rings of cartilage are present in the throat to ensure that the air passage does not collapse.

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