Respiratory System Vocabulary
| __ | 1. | Alveoli | | A. | Two large air tubes that branch off the trachea | | __ | 2. | Bronchi | | B. | Tiny air sacs at the end of bronchioles | | __ | 3. | Bronchioles | | C. | Small air tubes that connect the bronchi to the alveoli | | __ | 4. | Diaphragm | | D. | Known as the windpipe, large air tube that connects airways | | __ | 5. | Exhale | | E. | Known as the voice box, contains the vocal cords | | __ | 6. | Inhale | | F. | Membranes that are controlled by muscles and produce sound | | __ | 7. | Intercostal Muscles | | G. | To breathe air out of the lungs | | __ | 8. | Larynx | | H. | To breathe air into the lungs | | __ | 9. | Trachea | | I. | A flat muscle located beneath the lungs, enables air flow | | __ | 10. | Vocal Cords | | J. | A group of muscles located between the ribs |
| __ | 11. | Capillaries | | A. | Channels of air flow that warm, moisten, and filter the air | | __ | 12. | Cough | | B. | Intended to get rid of particles that bug respiratory tract | | __ | 13. | Epiglottis | | C. | A thick substance produced by the mucous membrane | | __ | 14. | Medulla | | D. | Intended to get rid of particles that irritate the nose | | __ | 15. | Mucus | | E. | A structure that covers the windpipe when a person swallows | | __ | 16. | Nasal Passages | | F. | A part of the brain that controls breathing | | __ | 17. | Sneeze | | G. | Tiny blood vessels that surround the alveoli |
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