Respiratory system
Across
- 4. This organ produces hiccup
- 6. Asphixia occurs due to...
- 7. Tiny air sacs inside your lungs
Down
- 1. Other name for the trachea
- 2. Trachea divides into...
- 3. Oxigenated blood is carried to the heart by...
- 5. Little branches inside our lungs