How Does Sperm Leave The Male Body?


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Lynn Blakeman answered
Sperm leaves the male body by means of ejaculation from the male sexual organ, the penis. Here's a breakdown of how that happens:
  1. A male who has reached puberty will produce millions of sperms cells daily. Each sperm cell is only around 0.05 millimetres long.
  2. Sperm develop in the testicles in tiny tubes known as somniferous tubules. Cells that have been there since birth combine with testosterone and other hormones and become sperm cells.
  3. The cells divide and change their shape until they have a head and a tail, like tadpoles. The head contains the genes that are passed on from a parent to a child.
  4. The sperm use their tails to move into the epididymis where their development continues for around 4-6 weeks.
  5. The sperm then move to the sperm duct where the seminal vesicles and prostate gland make a whitish fluid known as seminal fluid which, when a male is sexually excited, mixes with sperm to form semen.
  6. At this time tissues in the penis fill with blood and it becomes erect.
  7. When the now erect penis is stimulated the muscles around the reproductive organs contract and semen is forced through the duct system and urethra in the process known as ejaculation.
  8. Up to 500 million sperm are contained in each ejaculation.

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