Question

Give reasons : nasal cavity is lined with fine hair and sticky mucus

Answer 1

nasal cavity is lined with fine hair and sticky mucus to protect from dust or other harmful materials which can entered by our nasal cavity & we will become a illness person.
hope it help u.

Answer 2

Answer:

Nasal cavity is lined with fine hair and sticky mucus.

Explanation:

The inner lining of the nose has fine hair and sticky mucus that serves following functions:

• filter the air entering and prevent the entry of pathogens and unwanted particles into the respiratory system.
• Mucus provide moisture to the air in the nasal cavity.

So, fine hair and mucus present in nasal cavity act as first line of defence against pathogens and provide moisture to the air enetering in the nasal cavity.

Learn more about first line of defence:

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