Sperm cells are produced in the testicles in densely coiled tubes called seminiferous tubules. Mother Nature thinks of everything, right? The concoction is masterfully designed to help sperm make their way out of the penis, reach their target, and fertilize some eggs. Semen is a viscous liquid made up of sperm, aka male reproductive cells, and various other secretions from the male reproductive system that are released during ejaculation. Male ejaculate isn’t just about those little swimmers.
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