Across
- 3. the passive movement of particles along a concentration gradient from areas of higher concentration to areas of lower concentration
- 5. when an animal stops breathing
- 6. a procedure used to examine the upper respiratory tract for any obstructions
- 9. the amount of air in an animal’s lungs during a normal breath;
- 11. the process of taking in oxygen and removing carbon dioxide from an animal’s body
- 12. a large, smooth muscle found in mammals that separates the thoracic cavity from the abdominal cavity and controls breathing
- 13. small grape-like clusters at the end of the bronchioles within the lungs; the site of gas exchange in mammalian lungs
- 14. rapid breathing
- 16. a lack of oxygen
- 17. the amount of air that remains in an animal’s lungs after a deep exhalation
- 18. the amount of air that can be forcibly exhaled after inhaling as much air as possible
Down
- 1. the process in which a cell engulfs a foreign particle to destroy it
- 2. the amount of air in an animal’s lungs after a deep inhalation.
- 4. muscles found between the ribs, that assist with respiration
- 7. edema fluid buildup in the lungs
- 8. difficulty breathing
- 10. inflammation of the tissue of the sinuses
- 11. inflammation of the mucus membranes
- 15. small flap that covers the larynx during swallowing; a flap of cartilage at the root of the tongue, which is depressed during swallowing to cover the opening of the windpipe