Question

In human beings, air is taken into the body through
the nostrils. The air passing through the nostrils is
filtered by fine hair that line the passage. The passage
is also lined with mucus which helps in this process
6. The lining of nose is covered by fine hair. These hair :
(a) just forms lining on nose wall
(b) filter the air entering into the body
(c) prevents bacteria and other microorganisms from
entering into the body
(d) both (C) and (d).

Answer 1

Answer:

d

Explanation:

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Answer 2

Answer:

B. filter the air entering into the bodt