2min chapter

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#297 – Jonathan Reisman: The Human Body – From Sex & Sperm to Hands & Heart

Lex Fridman Podcast

CHAPTER

Blood Pump - The Most Important Medium

Every red blood cell takes about five minutes to circulate and come back to the heart. The volume is tremendous and it can never, you know, take a break basically. It's also doctors use it to kind of evaluate the body. I can tell you about your liver, your heart, your kidney just by taking a sample of your blood. So it's sort of like this crystal ball in a way, and we use it kind of all the time,. You know, to assess someone's health, to assess their disease.

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