Blood richest in oxygen is found in the?
-
Where is blood richest in oxygen found? a. Inferior vena cava
b. Superior vena cava
c. Pulmonary arteries
d. Pulmonary veins
e. Systemic capillaries -
The breathing rate is primarily controlled by chemoreceptors that detect:
a. Levels of oxygen in the alveolar air space
b. Levels of oxygen in the blood
c. Levels of carbon dioxide in the alveolar air space
d. Levels of carbon dioxide in the blood
e. Conscious control by our brain -
The iron in a hemoglobin molecule is what binds oxygen. True or false?
2 Answers
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