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 ...

Imagine you could grow a new limb or a new organ. We would be able to live forever if that were the case. However, while we cannot grow new limbs, our bodies still react in pretty miraculous ways when ...

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 ...

There are notable differences between men and women in their susceptibility to many human diseases, including cardiovascular ...

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.