Respiratory & Cardiovascular Systems
Across
- 3. respiratory pigment, a pigment that binds to oxygen
- 4. bronchi branch
- 7. this system has 3 main components
- 9. chronic high blood pressure
- 10. carry blood to heart
- 11. allergic reaction where bronchioles constrict and mucus production increases
- 12. small, vascularized sacs
Down
- 1. most abundant chemical in ETS
- 2. air enters the lung through this
- 5. separates respiratory system from digestive organs
- 6. where the exchange of gasses occurs
- 8. carry blood away from heart