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Inhalation and Exhalation

Describe the ...

Question

Describe the chest movements during breathing.

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Solution

When we breathe air in, air occupies space in lungs. So, chest moves outward.
When we breathe air out, chest moves inward.

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During inhalation, the ribs move up and outward and the diaphragm moves in. this movement decrease the space in our chest cavity and the air rushes in. During exhalation, the ribs moves down and inward and the diaphragm moves up. This movement increases the space in our chest cavity and the air is pushed out.

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