The movement of oxygen from the capillaries to the mitochondria is known as _________ and is regulated in part by metabolic rate,vascular resistance,and capillary recruitment.

Question

Quizplus · Accepted Answer

Oxygen movement from the capillaries to the mitochondria occurs by diffusion, which is regulated by metabolic rate (amount of oxygen needed by tissues), vascular resistance (diameter of blood vessels), and capillary recruitment (opening of new capillaries to increase blood flow to the tissues). Option A is incorrect because oxygen transport usually refers to the movement of oxygen in the blood by hemoglobin. Option C is incorrect because convection refers to the movement of fluids (including blood) by a pressure gradient, whereas in this case, oxygen moves by diffusion, which only relies on a concentration gradient. Option D is incorrect because oxygen degradation isn't a process happening in the body; rather, the body utilizes and consumes oxygen for energy production.

The Movement of Oxygen from the Capillaries to the Mitochondria