The aorta, a large blood vessel responsible for transporting oxygenated blood from the heart to the rest of the body, plays a ...

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 ...

PRESENTER:Let's see how much exercise affects our heart rate. PRESENTER:'Here is a demonstration of the cycle of blood around the body. The heart is actually two pumps. The right side of your ...

These complex cyclic interactions might also play a role in determining the right medication dosage and underscore the need for physicians to consider the menstrual cycle when assessing heart health ...

Cardiac output close cardiac outputThe amount of blood pumped by the heart in one minute. Heart Rate x Stroke Volume = Cardiac Output. is the total volume of blood pumped out by the left ventricle ...

REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.