Pregnancy - when an embryo develops in the uterus of a female, Reproduction - The creation of life., Fertilisation - When a sperm cell fuses with an egg cell., Puberty - When our bodies begin to sexually mature, Menstruation - When blood and tissue exit the body when fertilisation doesn't occur , Sperm - Male reproductive cell, Ovule - Female reproductive cell, Ovaries - Female organ that produces reproductive cells, Testicles - Male organ that produces reproductive cells,

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