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 ...

The cardiovascular system, the human body’s circulatory system, is a vital network of organs and tissues such as the blood, heart, and blood vessels responsible for transporting blood. The circulatory ...

So it's a good job we've got the circulatory system to transport nutrients, water and oxygen to the entire body. Your circulatory system is made up of three parts: the heart, blood vessels and the ...