The mean amount of venous return to the heart.
Heart:
- The heart is an important organ. It is a muscle that helps your body's blood flow throughout. Your body gets the oxygen and nutrition it needs to function from the blood your heart pumps.
- Additionally, your heart: Regulates the rhythm and velocity of your heartbeat. keeps your blood pressure steady.
- The heart wall is made up of three layers of tissue. The epicardium, myocardium, and endocardium are the heart wall's three outer, middle, and inner layers, respectively.
- Your clinched fist is about the size of your heart. It is situated behind and somewhat to the left of your breastbone in the front and center of your chest. It is a muscle that circulates blood throughout your body, giving each area the nutrition and oxygen it requires to function.
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