In mammals the heart is a double pump. The right side pumps deoxygenated blood to the lungs and the left side pumps oxygenated blood to the rest of the body tissues. This means that a red blood ...

Oxygen-poor blood (shown in blue) flows from the body into the right atrium. Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs ...

As you read this sentence, trillions of cells are moving around in your body. From the red blood cells being pumped by your ...

When your body loses too much water, the volume of blood traveling through your body decreases, and your blood pressure drops ...

In this video, learn how blood moves around the body through the heart ... it only takes about a minute for the blood to be pumped out, travel all the way around the body and come back again.

This April, the American Red Cross urges individuals to give lifesaving blood or platelets now as seasonal travel ramps up. The impact of busy spring calendars comes on the heels of an incredibly ...

“The problem with the blood clot in the veins of the leg is that if it can break off part of it, or all of it, and travel through the body, it can block the blood supply to the lungs ...

Oxygen-poor blood (shown in blue) flows from the body into the right atrium. Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs ...