The oxygen-carrying component in red blood cells is
A) hemoglobin.
B) bicarbonate ions.
C) iron atoms freely floating in the blood plasma.
D) the cell membrane.
Correct Answer:
Verified
Q21: Oxygen moves from blood into the interstitial
Q22: Most CO2 is transported to the lungs
Q23: Consider an animal that exchanges gases through
Q24: In a mammal, blood leaving the lungs
Q25: Labored breathing, coughing, lung infections, and respiratory
Q27: Compared to the vital capacity, how much
Q28: Within the lungs of humans, gas exchange
Q29: Medullary breathing centers directly sense and respond
Q30: Air leaving human lungs during exhalation contains
A)
Q31: Inhalation in humans is achieved by
A) contraction
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