Find out about the different stages of a human life cycle and how ... Find out how the circulatory system takes oxygen around the body. What is in your blood? Discover how blood vessels and ...

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 ...

To understand how to solve those challenges, we first must know the risks to human health during space travel ... increased arrhythmias. Although the cardiovascular system functions well in space, the ...