Across
- 2. a sheet of skeletal muscle that runs under the lungs; helps lungs by pushing and pulling as we inhale and exhale
- 4. releasing breath (air)
- 5. the two passages that lead from the trachea to the left and right lungs
- 6. air sacs at the ends of the bronchioles; gas exchange happens between these and the capillaries
- 11. the smallest air passageways that come off the bronchi
Down
- 1. the passage between the nose/mouth and the larynx
- 3. hollow tube (windpipe) that connects the larynx to the left and right bronchi
- 7. holds the vocal cords and produces sound
- 8. taking in breath (air)
- 9. flap of elastic cartilage that is attached to the larynx and closes as food passes by
- 10. the respiratory system begins with the ____ and mouth