The Body System

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Across
  1. 3. / The grape like structure surrounded by capillaries
  2. 4. / _____________ carries blood back to the heart
  3. 6. / The main organ of the excretory system
  4. 8. / Most mechanical digestion happen here
  5. 10. / What is an automatic response that occurs rapidly without control?
  6. 11. / There is the ______________________, the spinal chord, and the peripheral nervous system (three words)
  7. 14. / Skin is part of the ________ system
  8. 15. / The energy we absorb is released by __________ energy
  9. 16. / What connective tissue is more flexible that the bone?
  10. 18. / What does the kidney do? (two words)
  11. 19. / What part of the brain coordinates the actions of your muscles?
Down
  1. 1. / The blood exchange happen at the ___________
  2. 2. / The main organ in the circulatory system
  3. 5. / The blood enters through the _____________ (two words)
  4. 7. / The _________________ system protects organisms against diseases
  5. 9. / Most chemical digestion happen here
  6. 12. / Cones are a part of what system?
  7. 13. / The main organ of the nervous system
  8. 17. / The air goes in through the nose, then the pharynx, then the ________, then to the bronchi
  9. 20. / What is stored in the gallbladder until released into the small intestine?