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, ...

The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body. Water ...

The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a crucial role in our circulatory system. While it has long been known that ...

The technique restarts circulation after an organ donor is declared dead. But first surgeons cut off blood flow to the brain. One surgeon called it “creepy.” By Joseph Goldstein A new method for ...