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Place the following events of breathing in order, starting with inhalation. Drag the correct phrase to each target. Two...

Place the following events of breathing in order, starting with inhalation. Drag the correct phrase to each target. Two of the phrases are incorrect and will not be used.

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Answer #1

When volume increases pressure decreases( it is given by PV = constant. pressure is inversely proportional to volume, so when volume increases pressure decreases and vice versa)

So atmosphere pressure is higher than that in lungs. Air moves from high pressured area to low pressured area.

1. the volume of lung increases and air pressure in the lungs decreases.

2. air enters the lungs.

3.the diaphram rises during exhalation

4.the volume of lungs decreaes and the air pressure in the lungs increases.

5.air is forced out of the lungs.

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