Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

FRANCE — Did you know that, long before anyone else, Leonardo da Vinci called into question Galen's description of how the heart works? This is just one of the many interesting tidbits featured in ...

Your heart works nonstop—about 100,000 beats a day. Here are 4 surprising facts you probably didn’t know about it. The heart beats 100,000 times daily, pumping 2,000 gallons of blood. Broken heart ...

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 ...