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2.7 Reproduction in Humans

Sexual and Asexual

  • What are the differences between sexual and asexual reproduction?
  • Can you explain what happens during fertilisation?

Watch this YouTube video about asexual reproduction, it shows how bacteria reproduce asexually by a process called binary fission.

Click here to see what happens in fertilisation.

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Click here to see a detailed animation of fertilisation and how the embryo is formed.

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Click here to watch a short video about fertilisation from the BBC presented by Michael Mosley

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Human Reproduction

  • Can you label diagrams of the male and female reproductive systems and explain each part’s function?
  • How is the developing embryo protected?
  • What is the role of the placenta?
  • How do oestrogen and testosterone cause the development of secondary sexual characteristics?
  • What roles do oestrogen and progesterone each play in the menstrual cycle?

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Watch this Crash Course YouTube video to get a good understanding of human reproduction

Click here for a worksheet on the female reproductive system.

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Click here for a worksheet on the male reproductive system.

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Click here to see notes on secondary sexual characteristics in males and females.

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Click here to see a detailed explanation of the menstrual cycle and the role each hormone plays in it.

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Test your knowledge with Quizlet: IGCSE Biology – Human Reproductive Systems

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