Puberty and The Menstrual Cycle

• In what organ does ovulation take place: Ovaries
• The Ovaries produces oestrogen.

  
• • Ovaries Produces Oestrogen
  • Testes produces testosterone
• Testosterone stimulates the Testes to produce sperm.
• At the beginning of Puberty, eggs in ovaries mature.
• Every 28 days an egg is released.
• Puberty is the period during which adolescents develop secondary sexual characteristics for example facial hair.
• MENSTRUAL CYCLE:

  
  

  1. The uterus lining thickens
  2. The egg goes to the uterus
  3. If no sperm, Both egg and uterus lining released
  4. If sperm, egg is fertilised and sits in uterus lining to form foetus.

  
• There are 4 Hormones in the Menstural Cycle:

  
  

  • FSH (Follicle Stimulating Hormone)
  • LH (Luteinising Hormone)
  • Oestrogen
  • Progesterone
• (FSH) Follicle Stimulating Hormone causes the egg to mature.
• LH (Luteinising Hormone) causes ovulation - egg to be released
• Oestrogen and Progesterone are involved in maintaining the uterus lining.
• Oestrogen causes the lining to grow
• Progesterone maintains uterus lining and keeps it thick.