Respiration
Across
- 5. scientific term for breathing
- 6. part of the skeleton that protects the lungs
- 8. a reactant in respiration
- 10. scientific term for breathing in
- 11. Black sticky substance found in cigarettes
- 12. transports oxygen around the body
- 14. a product in respiration
- 15. respiratory disease that can be treated with an inhaler
- 16. substance produced in the respiratory system to trap dirt and bacteria
Down
- 1. scientific name for the windpipe
- 2. ————— fibrosis a type of respiratory disease
- 3. part of the cell where respiration occurs
- 4. chemical that can cause cancer
- 7. where gas exchange occurs in the lungs
- 9. addictive chemical found in cigarettes
- 13. muscle at the bottom of the lungs that helps with breathing