Boys and Young Men

male-anatomyPenis facts

  • The Penis is not a muscle
  • A penis can break if it is violently twisted when erect.
  • On average a healthy man has 3-5 erections during a full night’s sleep.
  • Your penis continues to grow until you are about 21years old.
  • Look after your penis and don’t forget to clean the end of your penis and testicles.

Sperm_and_eggSperm facts

  • Sperm is produced in the testicles.
  • Each testicle produces about 2000 sperm per second, or 150-1000 million a day!
  • A man ejaculates about a teaspoonful of semen containing up to 300 million sperm.
  • Sperm travels from the testicles through the sperm ducts to the penis. As they travel, fluids are added to produce semen.
  • Heavy drinking and smoking can affect the quality of sperm.
  • Just one drop of semen, pinhead size, contains around 1,500 sperm!
  • Sperm can live for up to 7 days inside a woman’s body
  • Semen is usually white, grey or may be yellowish
  • Sperm swim at 1.5mm a minute…That’s roughly the same speed as a human swimmer!
  • Semen is made up of 10% sperm, enzymes, vitamins, calcium, protein, sodium, zinc, and a sugar called fructose which gives the sperm energy they need to swim up to the woman’s egg.

Male Myths Dispelled

You cannot catch a sexually transmitted infection (STI) from a toilet seat.

You cannot wee and ejaculate (cum) at the same time.

Penis size is not linked to foot size.

Masturbation does not make you go blind