Across
- 6. A hollow space behind the nose
- 7. referring to the lungs
- 10. Also known as the windpipe
- 12. Soft, spongy, cone-shaped organs in the thoracic cavity
- 14. the metabolic processes whereby certain organisms obtain energy from organic molecules
- 16. Supported internally by bone and cartilage, has two nostrils
- 17. metabolic processes whereby certain organisms obtain energy from organic moelcules
- 18. Smallest of the blood vessels through which exchanges take place between the blood and cells of the body
- 21. Stops food from entering the airway
- 27. Third division of the pharynx
- 28. Protein in red blood cells that carries oxygen
- 29. Opening through the nose carrying air into the nasal cavities
Down
- 1. Air sacs within the lungs
- 2. Voice box
- 3. Leads into the stomach and carries food to be digested.
- 4. Muscle beneath the lungs which contracts and relaxes during respiration
- 5. Aka exhalation
- 8. protective secretion of the mucous membranes
- 9. The process of oxygen utilization and carbon dioxide production at the cellular level
- 11. A triangular slit between the vocal cords; closes to prevent material from entering the trachea while swallowing
- 13. Airways in the lungs which lead to bronchioles and alveoli
- 15. Cavity where lungs sit
- 19. Second division of the pharynx
- 20. First division of the pharynx
- 22. Spirometry
- 23. Microscopic hair-like structures that line the nasal cavity to filter air breathe.
- 24. A deficiency of O2 reaching the tissues
- 25. Aka exhalation
- 26. The cartilage in the nose that separates the nostrils.