Oxygen is carried in circulation primarily
A) as a dissolved gas in the plasma.
B) as carbonic acid.
C) bound to hemoglobin in the red blood cells.
D) by white blood cells.
E) None of the choices are correct

Question

Quizplus · Accepted Answer

Oxygen is primarily carried in circulation by binding to hemoglobin in the red blood cells. Only a small amount of oxygen is dissolved in the plasma. Carbonic acid primarily transports carbon dioxide, not oxygen. White blood cells do not play a significant role in oxygen transportation.

Oxygen Is Carried in Circulation Primarily