Across
- 2. Small air passages surrounded by blood vessels
- 4. Small tube dividing into Alveoli
- 6. One of the primary organs involved in respiration
- 7. Entrance of air into your body and filters the air
Down
- 1. Located in the throat between the nose and the voice box
- 3. Also known as the voice box
- 5. Gas inhaled by every human and is required for survival