Across
- 2. Large airway branch that carries air from the trachea into the lungs
- 5. Difficult or laboured breathing; shortness of breath
- 6. Abnormally slow breathing rate
- 8. Movement of air into and out of the lungs
- 10. Ability of the lungs and chest wall to stretch and expand
Down
- 1. Flow of blood through the pulmonary capillaries for gas exchange
- 3. Excessively high level of carbon dioxide in the blood
- 4. Dome-shaped muscle beneath the lungs that contracts to assist breathing
- 7. Movement of gases from an area of higher concentration to lower concentration
- 9. Tiny air sacs in the lungs where oxygen and carbon dioxide are exchanged