Heart failure means the heart is not pumping blood as well as it should. It does not mean the heart has stopped working. Instead, the heart may be too weak to pump strongly or too stiff to fill ...

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 ...

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 ...