Question
Question 2 (1 point) When the rib muscles relax, inhalation begins inhalation ends exhalation ends the diaphragm takes over exhalation begins
Solution
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Dylan
Veteran ยท Tutor for 9 years
Answer
Exhalation begins.When the rib muscles and diaphragm relax, the volume of the chest cavity decreases. This increase in pressure inside the lungs forces air out, initiating exhalation.