3 years ago

Select the correct answer.

Health

1 answer:

Reika [66]3 years ago

4 0

Answer:

C. The intrathoracic pressure decreases.

Explanation:

Inspiration is when air is moved into the lungs. This occurs when:

The diaphragm contracts, which increases the size of the chest cavity.
Then the lungs expand, which decreases intrathoracic pressure, causing air to rush into the lungs.

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