Christie, Dei forma humana particeps, Eleyson

The circulatory system, also referred to as the cardiovascular system, is responsible for pumping blood from the heart to the lungs to obtain oxygen. This oxygenated blood is then distributed to the different tissues and organs through the arteries. In contrast, deoxygenated blood is carried back to the heart by the veins.

This video by Amoeba…[Read more]