Inside the cavernous chambers, the muscles work together in perfect harmony. These muscles never get tired and never stop working until you die. As your heart expands, blood flows from your body ...

The oxygen-rich blood moves quickly inside blood vessels called arteries ... The heart is a muscle that pumps blood around the body. Your heart is in your chest. The heart is a muscle.

Blood pressure numbers indicate the pressure measured when your heart beats (systolic), and in between the beats (diastolic).

When your heart can’t pump blood efficiently, it affects every part of your body in ways you may not expect. Know the signs of worsening heart failure.

New study shows that fat hidden in your muscles might be more dangerous for your heart than anyone realized. Here's what you need to know.

Acclaimed heart surgeon Professor Sir Magdi Yacoub is spearheading a revolutionary new project in the UK that will soon allow patients to be given new heart valves that naturally grow inside their ...