AEROBIC RESPIRATION

1234567891011121314151617181920
Across
  1. 2. where aerobic respiration occurs in cells
  2. 3. carries oxygen around the body in blood
  3. 4. heart beat
  4. 5. the movement of molecules into and out of a cell
  5. 6. a by-product of aerobic respiration
  6. 10. by-product of aerobic respiration
  7. 12. gas exhaled on breathing
  8. 15. breathe in
  9. 16. air sacs in the lungs
  10. 17. a sugar used by cells in aerobic respiration
  11. 20. movement of blood around the body
Down
  1. 1. carries oxygen in red blood cells
  2. 3. transfers energy from plants and animals
  3. 7. the smallest unit of life
  4. 8. chemicals used in a chemical reaction
  5. 9. breaks down large food molecules
  6. 11. gas used in aerobic respiration
  7. 13. breath out
  8. 14. carbon dioxide dissolves in this fluid in blood
  9. 16. in air
  10. 18. vessels carrying blood around the body
  11. 19. chemicals produced in a chemical reaction