Year 7 Revision

123456789101112131415161718192021222324252627282930
Across
  1. 1. Waste product that causes muscle cramps
  2. 3. Where aerobic respiration happens in cells
  3. 6. you go — formatted exactly for your generator:
  4. 8. Tiny air sac where gas exchange occurs
  5. 10. Taking in oxygen and removing carbon dioxide
  6. 12. Essential nutrient like calcium for bones
  7. 15. Helps food move through the digestive system
  8. 16. Eating the right nutrients in correct amounts
  9. 17. Bones that protect the lungs
  10. 20. Structure where photosynthesis occurs
  11. 21. Substance the body needs to stay alive and healthy
  12. 23. Extra oxygen needed after exercise
  13. 24. Used for growth and repair of body tissues
  14. 26. Tube that carries air to the lungs
  15. 27. Tube that branches into each lung
  16. 28. Fat used for energy storage and insulation
  17. 30. Organism that makes its own food using sunlight
Down
  1. 2. Main source of energy for the body
  2. 4. Sugar produced during photosynthesis
  3. 5. Anaerobic respiration in yeast
  4. 7. Muscle used for breathing
  5. 9. Releases energy without oxygen
  6. 11. Green pigment that absorbs light energy
  7. 13. To breathe out
  8. 14. Releases energy using oxygen
  9. 18. Organism that eats other organisms
  10. 19. Needed in small amounts to stay healthy
  11. 22. Process plants use to make food using light
  12. 25. To breathe in
  13. 29. Organs where gas exchange happens