water and oxygen to the entire body. Your circulatory system is made up of three parts: the heart, blood vessels and the blood itself. Your heart keeps all the blood in your circulatory system ...
This short film offers a look at respiration and a tour around the circulatory system and digestive system in the human body, through blood vessels and into mitochondria. There is a detailed ...
Blood circulation is really important. First, if blood circulation is not good, you cannot keep your core body temperature. Immune cell activity improves only when the central body temperature is ...