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polet [3.4K]
3 years ago
7

Air pressure is ___________, when lung volume is___________.

Biology
2 answers:
nexus9112 [7]3 years ago
6 0
Air pressure (inside the lungs) is lowest when lung volume is highest, so the answer is B. when you breathe in your lungs expand, which makes the air molecules spread out, therefore the pressure is lower.
I am Lyosha [343]3 years ago
4 0

Answer:

The correct answer would be option B. lowest; highest.

Explanation:

Inspiration is the process of inhaling oxygen and air into the lungs. During inhalation, the contraction of the diaphragm and the volume of lung increases in volume, this leads to decreasing in the intraalveolar air pressure so that air flows into the lungs.

Exhalation is the process of releasing air out of the lungs while breathing. During expiration, the relaxation of the diaphragm decreases the lung volume and increases the intraalveolar pressure.

Thus, the correct answer is option B.

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