The Heart – the Hardest Working Muscle
Gary Hunt • 30 September 2021
The Heart – the Hardest Working Muscle

Your heart pumps out about 70 milliliters (two ounces) of blood every time it beats. And it does this over three billion times in the average person’s lifetime. The cardiovascular system – comprising your heart and the vessels which carry blood around your body – literally keeps your cells functioning. It supplies vital nutrients such as amino acids and electrolytes. It carries oxygenated blood to cells, and carries away waste carbon dioxide. It helps you fight off disease, and even stabilizes your temperature.
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Citation: www.bayer.com

