Across
- 5. carries blood away from the heart
- 9. largest and most complex part of the brain
- 10. a saliva that breaks down food
- 12. a muscular tube
- 16. found in the heart, and forces blood
- 17. controls hormones
- 18. helps bone repair
- 19. sends messages to the sensory organs
Down
- 1. allows movement in one direction
- 2. an artery that carries oxygenated blood
- 3. the airway (nasal cavity and mouth)
- 4. a network of blood vessels
- 6. a box that holds lungs, and other respiratory parts
- 7. contains information on the person
- 8. allows rotating movement
- 11. a tissue that prevents choking
- 13. a thick liquid that processes food
- 14. an area that contains the vocal cords
- 15. carry blood back to the heart
- 17. an elastic tissue that covers the lungs