The oxygen molecules move, by diffusion, out of the capillaries and into the body cells. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries. Carbon dioxide is brought, through the blood, back to the heart and then to the lungs
capillaries because theirs no possible way for arteries to travel in Arteries are connected to the heart to let gallons of oxygenated and not oxygenated blood to travel up and down through your body.
I looked up the average weight for your height, and its 94 to 123. Girl (or boy) you are perfect. And if your family doesn't see that, then they blind as hell. So screw em, and throw the facts at them.
