UNIT OVERVIEW

This revision unit brings together everything you learned in Term 1 about cells and body systems.

Topics covered:

• Cells as the basic units of life
• Levels of organisation (cells → tissues → organs → systems → organism)
• Overview of body systems
• Circulatory and respiratory systems
• Human reproduction
• The digestive system

How to use this revision guide:

1. Work through each lesson in order
2. Try to answer questions before looking at the answers
3. Mark your own work and read the explanations
4. Go back to topics where you made mistakes

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