Across
- 1. Amount of air moving into or out of the lungs during quiet breathing - 500 ml
- 7. breathing out
- 10. A temporary state in which there is an absence of breathing.
- 11. Amount of air remaining in the lungs following forceful expiration - 1200 ml
Down
- 2. breathing in
- 3. About 300 - 500 million of these in the lungs of an average adult
- 4. pulmonary ventilation
- 5. Composed of many branches of tubes that constitute the bronchial tree, the millions of alveoli, their millions of capillaries, and supportive tissues
- 6. location of respiratory center
- 8. voicebox
- 9. windpipe