5. As blood enters the capillaries, molecules of oxygen move from the blood into the tissues of the body. Which of the following explains this movement? d. The concentration of oxygen in the blood is the same as the concentration of carbon dioxide in the tissues.
e. The concentration of oxygen in the blood is higher than that in the tissues f. The concentration of oxygen in the blood is lower than that in the tissues 1
g. The concentration of oxygen in the blood is the same as that in the tissues.​