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 ...

Researchers are closer to understanding the earliest beginnings of the circulatory system during embryonic development – a discovery that could lead to ways to repair damage in the human body after ...

A circulatory system (sometimes cardiovascular system) is an organ system that moves substances to and from cells; it can also help stabilize body temperature and pH (part of homeostasis). There are ...

Here on Earth, a person's blood tends to pool in the legs because of gravity (the leg veins have valves that help to maintain blood flow from the legs back up to the heart). Things are different in ...

They’re the farthest points from your heart, often stuffed into shoes and easily forgotten. But your toes might be sending important messages about your cardiovascular health long before other ...