Let's get straight to the heart of the matter—the heart's job is to move blood. Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns ...

This clip is an introduction to the human heart. We find out about its location within the body and its function as a pump. The heart sits within the chest cavity between the lungs and is about ...

People with pockets of fat hidden inside their muscles are at a higher risk of dying or being hospitalized from a heart ...

They spontaneously beat out a rhythm, sending synchronized signals through your heart, which speed up or ... Inside the Human Body. The 3D footage brings the topic to life and would enhance ...

Day and night, the muscles of your heart contract and relax to pump blood throughout your body. In the Step Thru below, see the complicated path the blood takes as it moves in and out of the heart.