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