Your heart is a muscular organ that acts like a pump to send blood throughout your body all the time.

... and most important chamber in the heart. It pumps to the rest of the body. As it pumps, the pressure will close the mitral valve and open the aortic valve, with blood ...

Explore the heart and lungs through online science activities. Blood pumping

The Human Heart. The heart is one of the most important organs in the entire human body. It is really nothing more than a pump, composed of muscle which pumps blood throughout ...

Your heart is a muscular organ that acts like a pump to send blood throughout your body all the time.

The main thing the heart does is pump blood. So, it?s a blood pump. And it?s a pump that?s got to pump 24 hours a day, 7 days a week. Sometimes it has got to pump a lot of ...

Arteries: Arteries Carry Away. The heart pumps blood out through one main artery called the dorsal aorta. The main artery then divides and branches out into many smaller arteries ...

The normal heart is a strong, muscular pump a little larger than a fist. It pumps blood continuously through the circulatory system.

A ventricular assist device (VAD) is a mechanical pump that helps a heart that is too weak to pump blood through the body.