Sperm

• Sperm develop and grow in the testicles and then move on to the epididymis until they are completely mature.

• It takes about 90 to 100 days to form an entirely fresh new supply of sperm.

• Sperm are the smallest cells in the human body; they resemble tiny tadpoles.

• Approximately 100 million sperm are released during a normal ejaculation. However, due to harsh conditions of vaginal secretions and a long difficult journey, only about 100 or so sperm make it into the fallopian tube and become candidates to fertilize the egg.

• Sperm typically live for about 12 to 20 hours; however, some experts claim that they may live as long as 72 hours.

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