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 ...

Science reveals that your lower legs act as a secondary circulatory pump, pushing blood against gravity to protect your heart ...

You already know that keeping your heart in tip-top shape is a key part of maintaining your cardiovascular health—but your cardiovascular system goes beyond that beating organ in your chest. After all ...

Arteries can narrow with fatty buildup. Blood struggles to move. Oxygen drops. A heart attack can follow, and it remains the world’s top killer. Researchers at the University of California San Diego ...

Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...