Active tissues receive approximately ________ as much O2 as inactive tissues.
About how much of the oxygen content of arterial blood consists of oxygen molecules in solution?
Most of the carbon dioxide transported by the blood (approximately 70%)is
A)dissolved in plasma.
B)bound to hemoglobin.
C)transported as bicarbonate ions in the plasma.
D)bound to the same protein as carbon dioxide.
E)carried by white blood cells.
The amount of oxygen bound (or released)by hemoglobin depends primarily on which of the following?
A) of its surroundings
B) of its surroundings
C)the carbonic anhydrase available
D) of its surroundings
E)the effect of the chloride shift