Transport and Defense

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Across
  1. 2. connect the trachea to the alveoli
  2. 4. stores urine
  3. 7. urine is removed through this tube
  4. 9. air passes through this to the trachea
  5. 10. the system that removes waste
  6. 13. makes urine
  7. 14. organ in the circulatory system
  8. 17. oxygen enters the capillaries from this part of the respiratory system
  9. 18. these carry blood to the heart
  10. 19. small blood vessels
  11. 21. connects the pharynx to the bronchi
Down
  1. 1. connects the mouth to the stomach
  2. 3. the system that transports blood
  3. 5. makes bile
  4. 6. the system that exchanges gases
  5. 8. these carry blood away from the heart
  6. 11. makes enzymes to aid digestion
  7. 12. the system that breaks down food
  8. 15. connects the kidney to the bladder
  9. 16. food goes to the small intestine from here
  10. 20. part of the excretory and respiratory systems