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Key Stage 3 Science

QuestionAnswer
Define sexual reproduction 2 parent organisms make offspring using gametes (sex cells)
Name 4 parts of the male reproductive system penis, urethra, sperm duct, gland, testes, scrotum, foreskin
Name 4 parts of the female reproductive system oviduct (fallopian tube), uterus (womb), ovaries, cervix, vagina
What is the name of the process whereby the sperm and egg fuse? Fertilisation
How long is the menstrual cycle 28 days
In the menstrual cycle, if the egg is not fertilised describe the changes that happen in the female's body The lining of the womb (uterus) breaks down. This results in the female having a period (menstruation)
Name 2 parts of the sperm cell that make it swim Mitonchondria releases energy in respiration to move the sperm's tail
Why does the egg cell have a lot of cytoplasm? To store more nutrients for the growing embryo
What structures in the oviduct move the egg cell? Cilia
Where does fertilisation happen in the female reproductive system? oviduct (fallopian tube)
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