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 ...

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 ...

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 ...