BODY SYSTEMS CROSSWORD PUZZLE

123456789101112131415161718192021222324252627282930313233343536
Across
  1. 2. for every thousand red blood cells you have _____ white blood cells
  2. 4. another name for the large intestine
  3. 5. used to cool our skin
  4. 9. this lung is bigger
  5. 12. lining in the stomach to protect it from acid
  6. 13. valve in our body that opens to let food enter our intestines
  7. 15. chemical your body makes from the food you eat
  8. 17. approximately how many muscles in yoru body
  9. 21. tiny passages in our lungs
  10. 22. moves bones
  11. 24. take blood away from your heart
  12. 25. number of chambers in your hear
  13. 26. largest organ in the nervous system
  14. 27. anchor bones to muscles
  15. 30. number of bones in your spine
  16. 33. largest organ in the human body
  17. 34. heart is a muscle and a _____
  18. 35. nerve that makes your heart pump
  19. 36. spinal cord and brain are protected by this
Down
  1. 1. where blood cells are produced
  2. 3. first thing to break down food
  3. 6. tube in your respiratory system
  4. 7. walking is this type of brain process
  5. 8. stuff we make in our stomachs that our body digests
  6. 10. _____ have the largest brain of all animals
  7. 11. tube in your respiratory system
  8. 14. the muscle that bends a joint
  9. 16. food plus _____ makes energy
  10. 18. balance is this type of brain process
  11. 19. pumps your blood
  12. 20. pigment in our skin
  13. 23. brain sends messages through the ____ nervous system
  14. 28. central nervous system consists of brand and __
  15. 29. branch on a neuron
  16. 31. approximately how many bones in your body
  17. 32. tube in the digestive system