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WARRIOR [948]
3 years ago
13

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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