Across
- 4. controls breathing in the respiratory system
- 5. ability to move and stretch
- 6. system including the heart and lungs
- 8. greater stimulus than accustomed to (principle)
- 10. element brought into bloodstream through gas exchange
Down
- 1. without oxygen
- 2. compound removed from the blood
- 3. high blood pressure
- 7. lacking fluid in the body
- 9. voice box