Which one of the following statement about blood constituents and transport of respiratory gases is most accurate?

Options

A. RBCs transport oxygen whereas WBCs transport `CO_(2)`
B. RBCs transport oxygen whereas plasma transports only `CO_(2)`
C. RBCs as well as WBC transport both oxygen and `CO_(2)`
D. RBCs as well as plasma transport both oxygen and `CO_(2)`

Answer

D

Explanation

RBCs and plasma both transport `O_(2)` and `CO_(2)` either in chemically bonded state or in dissolved state.