Across
- 4. / The _______ are organs that move the air from the outside to the inside and vice versa
- 6. / this is the end of the respiratory system
- 8. /plants and trees take in ________
Down
- 1. / to generate___ from nutrients
- 2. / is an essential process body
- 3. / here the vocal cord are located
- 5. / our body takes ____ from the air
- 7. / the gas exchange in the happens in the _____
- 9. /the respiratory system is automatic and _____