The human heart beats 60-100 times a minute, without you needing to pay any attention to it. Heart function is controlled by ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Researchers grew a piece of a human heart in a lab. The new model isn't an entire heart. Instead, it's a model of the ventricle, one of the heart's major parts. The researchers say they reverse ...