
Anatomy
How much sperm is there in the testicles?
Your testicles produce several million sperm every day — around 1,500 per second — during spermatogenesis. You can regenerate up to 8 billion sperm at the end of a whole sperm production cycle. This may sound excessive, yet a single milliliter of sperm contains anything from 20 to 300 million sperm cells.
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