Biology revision 2023

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Across
  1. 3. blood vessel that has a higher pressure
  2. 5. blood vessel that supplies the oxygen
  3. 6. active site changes shape slightly (2)
  4. 9. blood vessel that has a thinner wall
  5. 10. there is no nucleus,the DNA forms a plasmid.
  6. 12. intestine that absorbs water
  7. 15. first thing blood goes into the heart (2)
  8. 17. intestine that absorbs nutrients
  9. 21. cells that have not yet become specialised. (2)
  10. 23. where the specific substrate goes into (2)
  11. 24. pressure ... when you inhale
  12. 25. blood goes out of the... after the atria
  13. 27. movement of particles from high to low, passive.
  14. 29. blood on the left-side of the heart is...
  15. 31. tissue that releases substances
  16. 32. has a nucleus containing DNA.
Down
  1. 1. makes hormones and builds cells (begins with c)
  2. 2. blood on the right-side of the heart is...
  3. 4. where the blood re-enters the heart (2)
  4. 7. biological catalyst, works on a specific substrate
  5. 8. movement of water molecules from high to low.
  6. 11. after the left atrium
  7. 13. tissue that protects
  8. 14. stores bile (2)
  9. 16. tissue that contracts
  10. 18. dissolved molecules against c-gradient.(2)
  11. 19. produces bile
  12. 20. diaphragm ... when you inhale
  13. 22. process of making genetically identical cells.
  14. 26. ...blood cells fight off bacteria
  15. 28. releases enzymes
  16. 30. when the enzyme's substrate doesn't fit anymore