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There are a lot of casualties (deaths) among us sperm as we swim toward the egg. First, many of us get lost in the maze of a woman’s uterus where we also have to contend with acidic vaginal secretions. Only about 10,000 of us sperm overall will manage to reach the fallopian tube where the egg is hiding. This can take us up to two hours since the we are so tiny. We have to guess which fallopian tube contains the egg (which way do I go now, door number one or door number two? Come out, come out, where ever you are—well, you can imagine the games we play in there.) Soon fluids in the reproductive tract excite us so our tails become more powerful and a woman’s tract will also contract enough to push us in the right direction. (See? Women are so helpful.)
But where do you come from?
The testicles, which are components of both the reproductive system and the endocrine system. The primary functions of the testes are to produce us sperm and to produce androgens, primarily testosterone. Both functions of the testicle are influenced by gonadotropic hormones produced by the anterior pituitary.
Hey, I made you boy... IT'S NOT GROSS
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