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GCSE OCR GCSE (9-1) Biology B (Twenty First Century Science)

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  • OCR GCSE (9-1) Biology B (Twenty First Century Science)
  • B5: The human body – staying alive
  • Delivery Guide
  • B1: You and your genes
  • B2: Keeping healthy
  • B3: Living together – food and ecosystems
  • B4: Using food and controlling growth
  • B5: The human body – staying alive
  • B6: Life on Earth – past, present and future

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B5: The human body – staying alive

Navigate to resources by choosing units within one of the unit groups shown below.

  • B5.1 How do substances get into, out of and around our bodies?
  • B5.2 How does the nervous system help us respond to changes?
  • B5.3 How do hormones control responses in the human body?
  • B5.4 Why do we need to maintain a constant internal environment?
  • B5.5 What role do hormones play in human reproduction?
  • B5.6 What can happen when organs and control systems stop working?

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