3min chapter

Lex Fridman Podcast cover image

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

Lex Fridman Podcast

CHAPTER

Is Sperm a Projectile?

The average human male produces 500 billion sperm, which is about four to five times more than the number of people who have ever lived. "Sperm is interesting because it's kind of the only projectile bodily fluid from the body," he says. Sperm mostly feed off of fructose for the few days that they live inside the female genital tract.

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