Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

You remember how Dorothy, Toto, and the rest of the gang were trying to make their way to see the Wizard of Oz? That’s kind of how veins work in relation to your heart. Your heart is the wizard, and ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. There's perhaps no element of the body that captures our imagination more than the heart. We link it ...

As we introduced this new topic last week, we mentioned that the blood circulatory system comprises the blood itself (red cells, white cells, platelets, liquid plasma, dissolved nutrients, waste ...

The heart is a unidirectional pump. Valves are present to prevent the backflow of blood. This unidirectional flow of blood through the heart shows that mammals have a double circulatory system. This ...

Your cardiovascular system consists of your heart, blood vessels, and blood. Together, they are a liquid transport network. This system delivers oxygen and nutrients to your body and picks up waste ...