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Human reproduction, . - Coggle Diagram

- - - - 40 weeks.
      - LABOUR: The muscle of the uterus start to contract.
      - These contractions push the baby against the cervix.
      - The amniotic sac breaks and the fluid is released.
      - The baby is pushed through the cervix, into the vagina, or birth canal
      - The placenta separates from the wall of the uterus and leaves through the birth canal.
- - - - TESTICLES: The testicle produce millions of sperm every day. The testicles are i a bag of skin called the scrotum
      - VASA DEFERENTIA AND PROSTATE:The sperm cells leave the testicles through two tubes called the vasa deferentia and carry the sperm cells to the seminal vesicles and the prostate. Both of these produce liquids to make a substance called semen
      - PENIS: The penis is a tubular organ that contains the urethra. Males release sperm through the urethra in a process called ejaculation. Urine is also released from the body through the urethra
      - PUBERRTY IN BOYS: 11-16 years old. The brain produces hormones that affect the testicles.
        Then the testicles start producing a hormone called testosterone, which
        causes physical changes.
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