Respiratory System
Across
- 2. the passages that direct air into lungs
- 4. tiny sacs of lung tissue specialized for the movement of gases between air and blood
- 7. tiny hairlike extensions that move together in a sweeping motion
- 10. folds of connective tissue that stretch across the opening of the larynx and produce a person's voice
Down
- 1. the main organs of the respiratory system
- 3. the process in which oxygen and glucose undergo a complex series of chemical reactions inside cells
- 5. the voice box, located in the top part of the trachea, underneath the epiglottis
- 6. a large, dome-shaped muscle that plays an important role in breathing
- 8. the windpipe, a passageway through which air moves through the respiratory system
- 9. the throat, part of both the respiratory and digestive systems