Sperm, as teeny weeny as they are, can affect us in a HUGE way. There are about 200-500 million of those little guys in the average amount of semen produced each time a man ejaculates. 
- Sperm are produced in the (Ladies, we've got to arm ourselves with knowledge so we can overcome the mighty sperm)
man's testes - it takes 10 weeks for a single soldier to reach maturity. - Mature sperm can wait up to 2 weeks for their big day - they hang out in the epididymis - the coil like structure that runs across the top of each testicle.
- If they are not ejaculated, those poor little sperms are broken down and reabsorbed by the body.
What to learn some more facts, like how long sperm can survive in a woman's body? Then read more