Across
- 2. Allergy-induced inflammation and constriction of the air passageways
- 6. Indented region of an organ where vessels and nerves enter or leave
- 7. Large air passageway in the lung
- 8. Leaf-shaped cartilage that covers the larynx during swallowing
- 9. Dome-shaped muscle under the lungs that flattens during inhalation
- 10. Increased level of carbon dioxide in the blood
- 12. Organ of respiration
- 13. Iron-containing protein in red blood cells that binds oxygen
- 16. Accumulation of air in the pleural space
- 19. Serous membrane that lines the chest cavity and covers the lungs
- 20. Tube that extends from the larynx to the bronchi
- 21. Pulmonary disease characterized by dilation and destruction of the alveoli
- 23. Structure between the pharynx and trachea that contains the vocal cords; voice box
- 24. Process by which oxygen is obtained from the environment and delivered to the cells
Down
- 1. The ease with which the lungs and thorax can be expanded
- 3. Microscopic branch of a bronchus
- 4. Nerve that activates the diaphragm
- 5. Substance in the alveoli that prevents their collapse by reducing surface tension of the contained fluids
- 11. Receptor that responds to chemicals in body fluids
- 14. Nosebleed
- 15. Throat
- 17. Lower than normal level of oxygen in the tissues
- 18. Movement of air into and out of the lungs
- 22. Region between the lungs and the organs and vessels it contains
- 25. Tiny air sac in the lungs through which gases are exchanged