Animal Form and Function: Blood Circulation https://youtu.be/2Q4cs3DfQL0

In this video I go over the circulatory system of animals, which typically involves blood being pumped by the heart to and from the rest of the body. Blood allows for the transport of oxygen, carbon dioxide, nutrients, hormones, agents of immune system, heat, wastes, and more. 

#science #biology #circulation #animals #education