Biology Terms

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Across
  1. 5. The cells that produces antibodies
  2. 7. The breakdown of large, complex molecules into small, diffusable molecules
  3. 8. The rhythmic, wave-like contractions of the muscles in the alimentary canal
  4. 11. A process to engulf, ingest and digest foreign particles
  5. 12. When a solution is more dilute than another
  6. 16. Contraction of the heart chamber
  7. 20. The transport and utilisation of absorbed nutrients
  8. 21. Different groups of tissues working towards a common goal
  9. 22. Blood plasma without red blood cells and proteins
  10. 24. Blood vessel which carries blood to the heart
  11. 28. Reactions that break down large complex molecules
  12. 30. The removal of the amine group in the amino acid and subsequent conversion to urea
  13. 32. The force exerted by the cell wall that counters the force exerted by expanding cell contents
  14. 33. Relaxation of the heart chamber
  15. 36. The process of making organic molecules (glucose) from carbon dioxide, water and light energy
  16. 40. The cells that transport oxygen in the body
  17. 41. The change in the shape of the active site of enzyme due to changes in temperature or pH
  18. 43. When a solution is more concentrated than another
  19. 44. The adjective to describe a pair of muscles which opposes each other in action
  20. 45. Net movement of particles against the concentration gradient with the expenditure of energy
Down
  1. 1. The process of converting harmful, toxic substances into harmless products for removal from the body
  2. 2. A liquid, complex tissue involved in transport and protection in our bodies
  3. 3. Reactions that use water to break down large molecules
  4. 4. The shrinking of animal cells
  5. 6. The removal of undigested food materials
  6. 9. The breakdown of glucose to release energy
  7. 10. Reactions that link small molecules up to form large molecules with the release of water
  8. 13. Cell fragments that play a role in blood clotting
  9. 14. The process of taking in nutrients into the bloodstream
  10. 15. When cells lose or gain structures to become specialised in carrying out their functions
  11. 17. Blood vessel that is only one-cell thick
  12. 18. Net movement of water from a region of higher water potential to a region of lower water potential
  13. 19. Proteins in blood plasma which binds wo antigens
  14. 23. The removal of metabolic waste products
  15. 25. Blood vessel which carries blood away from heart
  16. 26. Reactions that make large complex molecules from smaller units
  17. 27. The shrinking of the cell surface membrane from the cell wall
  18. 29. The enzyme required to first activate the blood clotting cascade
  19. 31. The net, random movement of particles down a concentration gradient
  20. 34. The intake of food
  21. 35. When 2 solutions are of equal concentrations
  22. 37. The smallest unit of life
  23. 38. The build-up of plaque in the inner walls of arteries
  24. 39. Molecules found on the surface of red blood cells
  25. 42. Another word for blood clot
  26. 46. A biological catalyst that speeds up rate of reactions without chemically changing itself