Across
- 2. a muscle that helps you inhale and exhale (breathe in and out)
- 6. an expiration of air from the lung
- 8. taking deeper breaths than usual, which increases the volume of air in the lungs
- 10. either of two external openings of the nasal cavity in vertebrates that admit air to the lungs
- 11. the action of inhaling or breathing in
- 12. As lung volume increases, pressure decreases as per Boyle's law
Down
- 1. paired linings, located within the thoracic cavity, that surround each lung and separate them from the thoracic wall
- 3. a state in which oxygen is not available in sufficient amounts at the tissue level to maintain adequate homeostasis
- 4. cavities within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities
- 5. any of the major air passages of the lungs which diverge from the windpipe
- 7. any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange
- 8. rapid or deep breathing, usually caused by anxiety or panic
- 9. a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs