Question

9. Based on the diagram above, which of the labeled constituents carry oxygen from the lungs to other cells in the body?

D
C
B
A

Answer 1

that's A. those are the red blood cells

Answer 2

The answer is label A which is Red blood cell (RBC).

Step-by-step explanation:

Oxygen from the alveoli of the lungs diffuses into the capillaries and are carried by the RBC in the form of oxyhemoglobin. Near the tissues partial pressure of oxygen is less so oxyhemoglobin liberates oxygen which diffuses into the tissues.