Respiratory System and Nervous System
Across
- 4. membranes around brain and spinal cord
- 6. brain
- 7. trachea windpipe
- 10. larnyx or voice box
- 11. nose
- 12. related to lung
Down
- 1. nerve
- 2. head
- 3. cerebellum
- 5. breathing
- 8. air passageway
- 9. spinal cord
- 12. spitting