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How much blood is in the human body?

A typical adult has about 5 liters (just over 5 quarts) of blood circulating in their body.
Robert A. Wascher, MD, FACS
Author, "A Cancer Prevention Guide for the Human Race"
 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.