The first thing you need to know is that the term “sperm” refers to a lot more than just sperm.

It also includes other male reproductive cells, like spermatids and spermatozoa (the mature form of spermatids). Sperm are produced in the testes, which are located inside the scrotum on either side of your groin. The process by which they’re made is called spermatogenesis, and it takes about 64 days from start to finish

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