Other contributors have said "What component of the blood transports oxygen?" is the same question as "Which component of the blood transports oxygen?" If you believe that these are not asking the same thing and should be answered differently, click here

Which component of the blood transports oxygen?

Answer:
Red Blood cells.
First answer by Chief k. Last edit by Chief k. Contributor trust: 18 [recommend contributor recommended]. Question popularity: 2 [recommend question].