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Biology Revision - Coggle Diagram

- - - - Filament - supports anther
      - Sepal - protects petal
      - Petal - attracts insects
      - Anther - containing pollen
      - ovule - containing egg cell
      - ovary - containing ovules
      - Style - supports stigma
      - Stigma - traps pollen
  - - - Mitochondria - ?
      - Nucleus - half of mums DNA
      - Jelly coat - to prevent more than one sperm entering the egg
    - - Acrosome - bag of digestive enzyme to break through jelly coat
      - Mitochondria - to release energy for swimming
      - Nucleus - half of dads DNA
      - Tail - swimming to egg
    - - . From the vagina, the sperm travels through the cervix to the uterus and into the fallopian tubes where it will find and fertilize the egg
      - . When the male ejaculates, sperm is deposited into the vagina
      - . Penis placed into the vagina
    - - Cervix - A narrow gap between the vagina and the uterus. It opens during childbirth to let the baby through
      - Vagina - Where the penis is placed during sex
      - Uterus - Where a fertilised egg cell develops into a foetus
      - Oviduct - The tube that carries eggs from the ovary o the uterus. Lined with cells with tiny hairs called cilia t waft the egg along
      - Ovary - Where eggs cells are made and stored
    - - Fore skin - A flap of skin protecting the head of the penis
      - Bladder - Stores urine
      - Scrotum - External sac of skin containing the testes
      - Seminal glands - Glands that make a sugary fluid to mix with the sperm
      - Sperm tube - A tube carrying sperm from the testes to the urethra
      - Testis - A pair or glans that produce sperm
      - Urethra - A pipe running down the middle of the penis that can carry urine or semen
      - Penis - An Organ used for peeing or squirting semen into the vagina .Can become hard (erection)
    - - placenta
      - umbilical cord
      - amniotic fluid
- - - - Organs that contain enzymes - Mouth, Stomach, Small intestine
    - - Mouth - break down food so its swallable
      - Small intestine- absorb small molecules from the digested food into our blood
      - Large intestine- absorb water from undigested food
      - oesophagus - carry food or liquid down your throat to the stomach
      - Stomach - digest food