Across
- 2. Also known as the 'voice box', it produces sounds.
- 4. The exchange of oxygen and carbon dioxide between the body and the environment.
- 6. Covers the trachea during swallowing to prevent food from entering the lungs.
- 7. Also known as the 'windpipe', it connects the larynx to the lungs.
- 8. muscle below the lungs that controls breathing
Down
- 1. long tubes that connect the trachea to the lungs
- 2. paired organ responsible for bringing in oxygen and removing carbon dioxide
- 3. system responsible for gas exchange and speech
- 5. Endpoint of the respiratory system, thinly walled to allow exchange of oxygen and carbon dioxide.