Circulatory & Respiratory system
Across
- 4. makes up 55% of your blood
- 5. fights infections and other diseases
- 8. tiny little branches located in your lungs
- 9. forms clots that stops wound from bleeding
- 11. the mouth and nose
- 12. tiny air sacs in your lungs
- 14. prevents food from entering the lungs
Down
- 1. a vein that returns deoxygenated blood from the body to the right atrium
- 2. the connections between veins and arteries
- 3. disease that has fluid filled in your alveoli
- 6. where the blood is made
- 7. hairlike structure that pushes mucus out of your trachea
- 9. transports air, food, and moisture from the nose and mouth.
- 10. a valve located between right atrium and ventricle
- 13. The name of the top chambers in the heart