Vitamin B-12 helps you make hemoglobin, the protein that contains oxygen-carrying iron. Boost your folate intake by including citrus fruits and dark leafy greens in your diet. You can get more vitamin B-12 through supplementation. Check Your Vitamin A,which is critical to produce oxygen-carrying red blood cells.
In respect to this, what carries oxygen in the blood?
Hemoglobin: The protein inside red blood cells (a) that carries oxygen to cells and carbon dioxide to the lungs is hemoglobin (b). Hemoglobin is made up of four symmetrical subunits and four heme groups. Iron associated with the heme binds oxygen.
Where does the oxygen leave the blood?
The exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.