Study

Yr 9 AG Growth and Repro

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  • Growth
    the process of development
  • Oestrogen
    hormone capable of developing and maintaining female bodily characteristics
  • Fertility
    how fertile an animal is; how likely they are to make young
  • Sperm
    a spermatozoon; a male reproductive cell
  • Ovulate
    to produce or discharge an ovum from an ovary
  • Dilate
    to make or become wider
  • Testosterone
    male sex hormone
  • Penis
    the organ by which a male animal copulates and urinates
  • Development
    process of developing
  • Uterus
    the womb
  • Ovum
    a female egg cell capable of developing into offspring when fertilised by male sperm
  • Zygote
    a cell formed by the union of two gametes
  • Scrotum
    the pouch of skin that encloses the testicles
  • Ovary
    either of the two organs in which egg cells are produced in female animals
  • Hormone
    a substance produced within the body of an animal that is carried by the blood to an organ which it stimulates
  • Cervix
    the neck/opening of the womb
  • Umbilical cord
    the flexible tubular tissue connecting the placenta to the foetus
  • Oestrus
    a period of fertility in female mammals (heat)
  • Progesterone
    a hormone that prevents ovulation and prepares uterus for pregnancy
  • Pregnant
    having a child or young developing in the womb
  • Inseminate
    to insert semen into
  • Semen
    the whitish sperm-bearing fluid by male animals
  • Testicle
    a male reproductive organ in which sperm are produced
  • Oviduct
    a canal though which ova pass from the ovary
  • Placenta
    an organ that develops in the womb during pregnancy and supplies the developing foetus with nourishment
  • Amnion
    the membrane enclosing the foetus and the fluid that surrounds it before birth
  • Vagina
    the passage leading from the vulva to the womb
  • Foetus
    a developed embryo in the womb; has some recognisable features
  • Embryo
    an animal in the early stage of development before birth; still a collection of cells
  • Gestation
    the process carrying or being carried in the womb
  • Puberty
    the stage at which a person’s reproduction organs are in the process of becoming mature and he or she becomes capable of producing offspring
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