section 7 - human reproduction

• Female reproductive organs


  • Ovary
  • Fallopian tube/oviduct
  • Uterus
  • Endometrium/lining of the uterus
  • Cervix
  • Vagina
• Ovary


  Produces ova and sex hormones
• Fallopian tube/oviduct


  Site of fertilization
• Uterus


  Where embryo grows
• Endometrium/lining of the uterus

  Embryo implantation
• Cervix


  Holds embryo in place
• Vagina


  Site of sperm deposited and birth canal
• Male reproductive organs


  • Scrotum
  • Testes
  • Sperm duct
  • Glands
  • Urethra
  • Penis
• Scrotum


  Contains the testes
• Testes


  Sperm production
• Sperm duct


  Stores sperm
• Glands


  Produce the liquid added to sperm to make semen
• Urethra


  Transports urine and semen
• Penis


  Deposits semen in vagina
• Secondary sexual characteristics


  • Male
  • Both
  • Female
• Menstruation is the monthly breakdown of endometrium lining

  
• Oestrogen


  Increases prior to ovulation and builds up the uterus lining so it is ready for implantation
• Progesterone


  Increases after ovulation to maintain the uterus lining. A drop in progesterone causes menstruation
• Hormones


  • FSH
  • LH
  • Oestrogen
  • Progesterone
• FSH


  1. Mature eggs 2. Stimulates oestrogen secretion
• LH


  1. Causes ovulation 2. Stimulates development of corpus luteum
• Oestrogen


  1. Repairs lining of uterus 2. Stimulates LH secretion
• Progesterone


  1. Maintains the lining of uterus 2. Inhibits LH
• oestrogen


  oestrogen
• progesterone


  progesterone