Every day, your heart pumps about 10 pints of blood 60,000 miles around your body through your circulatory system. That system is made up of blood vessels, the tubes that carry blood throughout your ...

A puzzle for millennia, the movement of blood through the body was solved by an English physician in the 17th century, paving the way for modern medical technologies. What do chemotherapy, dialysis, ...

A heart attack, or myocardial infarction, happens when oxygen-rich blood does not reach a part of the heart muscle. When you purchase through links on our site, we may earn an affiliate commission.

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. The IAEA is launching a new Coordinated Research Project ...