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 cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

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 ...