RESPIRATORY SYSTEM
Across
- 3. Trachea and lungs are connected by ...
- 4. Vocal cords are in here
- 6. The 2 layers of membrane in lungs.
- 8. It can prevent food to come into trachea
- 9. Gases exhange happen in here to increase O2
- 10. The blood cells that carry O2 and CO2
- 11. Heartbeat rate controlled by this. It is connected by carotid sinus nerve
Down
- 1. CO2 form in erythrocyte is .... ion
- 2. Gasses exhange from alveoli to our capilaries by ... from high concentration to low concentration
- 4. Two baloons are inside the bottle as our ....
- 5. The volumen in our lungs when we rest and breath normally
- 7. The muscle under the lungs that can contract when we are breathing