Sure, you know how to steal hearts, win hearts, and break hearts. But how much do you really know about your heart and how it works? Read on to your heart's content! Put your hand on your heart.

Revise GCSE Biology by listening ... Dr Alex Lathbridge breaks down the key facts about the circulatory system, looking at the structure of the heart and the main blood vessels that move blood ...

Did you know broken heart syndrome is real? Super stressful events, like a death or a divorce, can trigger chest pain. Spooky but true. If doctors removed your ticker, it would keep beating for a ...

Just in time for Valentine's Day (and National Heart Month every February), here are 11 scientific facts about your ticker. Studies conducted in the 1980s showed that most heart attacks occurred ...

The heart is a muscular organ composed of four chambers: two upper chambers called atria and two lower chambers called ventricles. These four chambers pump blood through the body in a rhythmic pattern ...

Originally appeared on the NOVA Web site Cut to the Heart. Sure, you know how to steal hearts, win hearts, and break hearts. But how much do you really know about your heart and how it works?