devonduke14
Answered

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Which of the following best describes expiration?
The elastic lung tissue recoils to its smallest length decreasing lung volume.
Air flows in until the external and internal pressures are equalized.
The volume of the chest cavity increases and the lungs are stretched.
The diaphragm contracts, moves downwards, and expands the chest cavity.

Sagot :

hoosiergal09

Expiration is also called exhalation. It's the flow of an air current out of the respiratory system out of an organism.

Hope this helps :)

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