The Respiratory System
Across
- 5. Folds of connective tissue that stretch across the opening of the larynx and produce a person's voice
- 10. Maximum volume of air that can be inhaled and exhaled with each breath
- 13. Tubes that branch from the trachea and lead to each lung
- 14. Muscle that separates the thoracic cavity from the abdominal cavity
- 15. Specialized secretions that prevent alveoli from sticking shut
Down
- 1. Respiratory organs located in the thoracic cavity
- 2. Finer and finer tubes that branch from the bronchi
- 3. The process of exchanging oxygen and carbon dioxide between an organism and its environment
- 4. Grapelike clusters of air sacs at the end of bronchioles
- 6. Mechanism of breathing where air is pulled into the lungs
- 7. Breathing; inhalation and exhalation of air
- 8. Throat; passageway for food to the esophagus and air to the larynx
- 9. The inhalation and exhalation of air
- 11. Voicebox; produces sounds by vibrating vocal cords
- 12. Windpipe; reinforced by rings of cartilage