Biology, asked by kamaljitkaur3888, 10 months ago

please tell answers....

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Answered by cherrynikkich

0

Answer:

2 the air us filtered in lungs

Answered by kayandepramod

1

Answer:

2) The air is filtered in minute hair.

3) The lungs are placed in thoracic cavity.

4)Alveoli increase the surface area in the lungs.

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