Across
- 4. type of tumor that does not spread
- 7. walls of alveoli break down and lose their elasticity
- 11. flap of cartilage that covers the opening to the trachea (glottis) when swallowing
- 17. inspiratory volume + tidal volume + expiratory volume
- 18. volume of air that always remains in the lungs
- 19. thin double-layered membrane that surrounds each lung
- 20. pigment in red blood cells that carries oxygen
- 21. bronchi and bronchioles become inflamed; usually caused by allergic reactions
Down
- 1. medical term for lungs collapsing
- 2. dome shaped muscle; moves downward during contraction
- 3. strengthened by cartilaginous “C” shaped arches
- 5. muscles (rib) that are involved in inhalation and exhalation
- 6. disease that causes thick, sticky mucus to build up
- 8. reserve volume of air that can be forced out of the lungs beyond a regular breath of air
- 9. reserve volume of air that can be taken into the lungs beyond a regular breath of air
- 10. main organs of respiration
- 12. respiration between the air and the blood; oxygen in and carbon dioxide out
- 13. contains the voice box
- 14. volume of air in a normal breath
- 15. respiration between the body’s tissues and the blood; oxygen to cells, waste into blood
- 16. tiny sacs surrounded by capillaries; site of gas exchange in the lungs