Human Anatomy

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Across
  1. 3. system that produces blood cells
  2. 5. first line of defense
  3. 8. closer to the body
  4. 11. system that regulate body temperature
  5. 12. system that removes carbon dioxide
  6. 15. joint found in elbow
  7. 17. system that returns fluid to blood vessels
  8. 19. system that secretes hormones
  9. 21. secretes bile to break down fats
Down
  1. 1. system that activates muscles and gland
  2. 2. stable internal environment
  3. 4. system that moves materials around
  4. 6. cavity that contains heart and lungs
  5. 7. system that allows for nutrient absorption
  6. 9. carries high pressure blood
  7. 10. ventral side
  8. 13. oxygen and carbon dioxide exchange here
  9. 14. where blood vessels and nerves are found
  10. 16. transports hormones and waste
  11. 18. system that allows locomotion
  12. 20. system that maintains acid-base balance