The mincroscopic air-scas of the lungs_________
Answers
Answered by
1
Answer:
Alveoli
Explanation:
hope it helps!!
Answered by
0
Explanation:
alveoli are the microscopic air sacs present in the lungs
and each time one smokes cigarette, these air sacs are destroyed hence affecting the gas exchange
there are hundred millions of alveoli present in our Lungs
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