Residual air is important because it:
A)prevents collapse of the lungs
B)provides for continuous exchange of gases
C)signals the need to breathe again
D)provides a rest period for the respiratory muscles

Question

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The Answer of Residual air is important because it:
A)prevents collapse of the lungs
B)provides for continuous exchange of gases
C)signals the need to breathe again
D)provides a rest period for the respiratory muscles

Residual Air Is Important Because It