External respiration is the
A) breathing of air from the atmosphere
B) exchange of gases between the alveoli and blood
C) mixing of gases in the upper respiratory tract
D) incorporation of air through the skin
E) breathing of air through the mouth
Correct Answer:
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Q14: All of the following regions of the
Q15: Increased carbon dioxide concentration favors oxygen unloading.
Q16: Surfactant makes the inner surfaces of the
Q17: Active transport accounts for the exchange of
Q18: The organ that contains the vocal cords
Q20: Inspiratory capacity is greater than vital capacity.
Q21: The rings that form the framework of
Q22: The trachea branches to form air passages
Q23: Generally speaking,lung volume is _ in women
Q24: The collapse of alveoli during expiration is
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