Answered

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Inhale:
-What muscles are contracting or relaxing?
The external intercostal muscles, the accessory muscles of inspiration, and the diaphragm.

-What particles are diffusing and where?
-What is happening to the volume of the lungs?
-What is happening to the pressure of the lungs compared to the atmospheric pressure?

Sagot :

thwtrhethe56

Answer:

lungs

Explanation:

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