Science Revision

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Across
  1. 1. An organism that break down dead organic matter
  2. 4. A type of tube that carries one blood cell to various places
  3. 7. A major group of animals that have back bones
  4. 10. The air sacs within the lungs
  5. 12. The organ that produces blood
  6. 14. A system where one of the most important liquid go around the body
  7. 15. Any living thing that can come in any size and shape
  8. 18. The longest bone within the body
  9. 22. An organism that contains more than one cell
  10. 24. A condition where blood is clogged in an artery
  11. 25. The organelle where photosynthesis occurs
  12. 27. The organ that filters unwanted waste from the body from the blood
  13. 28. Inside of the skeletal system that produces blood cells
  14. 30. The control centre of a cell and contains DNA
  15. 32. A tube that carries deoxygenated blood to the heart
  16. 33. Projections within the intestines
  17. 34. A muscular tube that pushes food from the pharynx to the stomach
  18. 35. A system that removes excess unnecessary materials from the body
  19. 36. The main artery that carries blood to the body
Down
  1. 2. A flap of muscle that stops food from getting into the wind pipe
  2. 3. A muscular tube that carries blood all around the body
  3. 5. A large muscular organ that allows us to swallow
  4. 6. The system that uses oxygen and changes it to blood
  5. 8. Glands that produce a liquid that moistens food
  6. 9. An organism that contains only one cell
  7. 11. The teeth at the front of the mouth the cut food
  8. 13. A wall that contains the organelles within the cell
  9. 16. The system that keeps the body structure and consists of bones
  10. 17. The little hairs that are in the nostrils
  11. 19. A process which plant cells undergo to produce energy for themselves
  12. 20. The artery that go to the lungs
  13. 21. The organ that is connected to the liver also produces bile
  14. 23. The bones at the end of the fingers
  15. 26. The liquid that helps blood clot
  16. 29. A major group of animals that do not have back bones
  17. 31. A hard bone that protects the brain