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Learning Intention

Learn about signs of male puberty, labeling male reproductive organs, and understanding the male reproductive system. Explore puberty in boys and the functions of sperm cells.

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Learning Intention

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  1. Learning Intention • To be able to state the signs of puberty in males • To be able to label the male reproductive organs • To be able to describe the function of the male reproductive system

  2. Puberty in boys https://www.twig-world.com/film/puberty-in-boys-1025/ • What age does puberty normally begin in males? • What is the name of the male sex hormone? • How many sperm (roughly) are made each day? • Name some signs of puberty in males

  3. Signs of Puberty • Penis and testicles get larger • Erections, sperm produced- wet dreams • Shoulders and chest widen • Growth spurt- clumsiness • Muscles strengthen • Voice deepens • Adams apple • Spots, acne • Angry, frustrated, attraction- hormones Preparation for Reproduction

  4. Reproduction • Reproduction- essential. Why? • Different types of organisms reproduce in different ways • Sexual and Asexual • Different cells and different organs

  5. Sex cells • Humans reproduce sexually- both parents contribute HALF of the offspring’s genetic make up • The genetic information is carried on the SEX CELLS or GAMETES

  6. The male sex cell • What is the male sex cell? • What do you know about the cell?

  7. The male sex cell • The sperm cell • Nucleus contains the male genetic information to be passed on to offspring • Tail allows sperm to swim to the egg Nucleus Tail

  8. The male sex cell (copy) The male sex cell is the sperm cell. The tail allows it to swim towards the female sex cell. The genetic information is contained in the nucleus in the head of the cell.

  9. The male reproductive system

  10. The male reproductive system Scrotum A bag of skin which contains the TESTES

  11. The male reproductive system Testes • to produce sperm • to make male sex hormones

  12. The male reproductive system Glands • Produces fluid to mix with sperm to form semen

  13. The male reproductive system Sperm tube • Carries sperm from testes to penis

  14. The male reproductive system Penis • to pass urine out of the man's body • to pass semen out of the man's body

  15. The male reproductive system Urethra • Carries sperm out of the body

  16. True or False During puberty, males: • Grow pubic hair • Get taller • Have periods • Get erections • Feet grow • Sweat more • Grow breasts • Grow facial hair • Voice gets deeper • Hips get wider • Get smellier

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