G5 Science Ch 3 Respiratory System
| __ | 1. | Air sacs | | A. | tube that carries air from larynx to lungs. | | __ | 2. | Bronchi | | B. | Sticky think fluid that traps dust, germs, and other things. | | __ | 3. | Bronchioles | | C. | A muscle that contracts and relaxes to push air in and out. | | __ | 4. | Cilia | | D. | In the lungs, these tubes branch into smaller tubes. | | __ | 5. | Diaphragm | | E. | two branches from the trachea that go into the lungs. | | __ | 6. | Larynx | | F. | Vocal chords are two structures stretching arose the ______. | | __ | 7. | Mucus | | G. | Where oxygen enters the blood and carbon dioxide leaves. | | __ | 8. | Respiratory System | | H. | Tiny hairlike structures that help clean the air you breathe | | __ | 9. | Sinus | | I. | Carries gases between the outside air and your blood | | __ | 10. | Trachea | | J. | These warm and moisten the air that we breathe in. |
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