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 ...

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 ...

When blood moves through your body, it exerts a frictional force on ... These findings help define a novel pathway by which ...

Michael Rieger from Universitätsmedizin Frankfurt’s Department of Medicine II, has now molecularly decoded the differentiation pathways of human blood stem cells into all ... PD-L2 could help to ...

Originally appeared on the NOVA Web site Cut to the Heart. 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 ...