Science, asked by sasmitasima, 11 months ago

say about ventilation​

Answers

Answered by sai994938
1

Answer:

which helps us to breathe

when we are in not conscious

Answered by Anonymous
1

Ventilation: The exchange of air between the lungs and the atmosphere so that oxygen can be exchanged for carbon dioxide in the alveoli (the tiny air sacs in the lungs).

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