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 ...

Your cardiovascular system consists of your heart, blood vessels, and blood. Together, they are a liquid transport network. This system delivers oxygen and nutrients to your body and picks up waste ...

From high blood pressure to certain viral infections.

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 ...