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AQA Combined Science · Biology Paper 1 · B2

Organisation revision

Practice

Lessons

  1. 2.1Cells, tissues and organs
  2. 2.2The digestive system
  3. 2.3Enzymes and digestion
  4. 2.4Food tests
  5. 2.5Amylase practical
  6. 2.6The heart and circulation
  7. 2.7Blood vessels
  8. 2.8Blood and its components
  9. 2.9Lungs and gas exchange
  10. 2.10Coronary heart disease and treatment
  11. 2.11Health, risk factors and cancer
  12. 2.12Leaf tissues and stomata
  13. 2.13Plant transport: xylem and phloem
  14. 2.14Transpiration and the potometer

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