Aerobic Respiration

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Across
  1. 4. the movement of molecules into and out of a cell
  2. 6. a by-product of aerobic respiration
  3. 7. breathe in
  4. 10. a sugar used by cells in aerobic respiration
  5. 13. carries oxyen in red blood cells
  6. 17. air sacs in the lungs
  7. 18. where aerobic respiration occurs in cells
  8. 19. breathe out
  9. 20. chemicals used in a chemical reaction
  10. 21. heart beat
  11. 22. the smallest unit of life
Down
  1. 1. chemicals produced in a chemical reaction
  2. 2. gas used in aerobic respiration
  3. 3. breaks down large food molecules
  4. 5. by product of aerobic respiration
  5. 8. in air
  6. 9. transfers energy from plants and animals
  7. 11. gas exhaled on breathing
  8. 12. carbon dioxide dissolves in this fluid in blood
  9. 14. vessels carrying blood around the body
  10. 15. carries oxygen around the body
  11. 16. movement of blood around the body