1. The Respiratory System

2. Write out the pathway of air as it travels through the respiratory system.

3. Label the Respiratory System
Pg 484 in text

4. Label the Respiratory System
Pg 490 in text

5. What keeps food from going down the larynx?

6. Which body cavity contains the lungs?

7. How many lobes in each lung?

8. Where and through what structures does gas exchange take place?

9. What is it called when the lungs exchanges gases with blood?
Ventilation
Internal respiration
External respiration

10. Ventilation Internal respiration External respiration
What is it called when blood exchanges gases with cells and body cells?
Ventilation
Internal respiration
External respiration

11. What is the fancy word for breathing?
Ventilation
Internal respiration
External respiration

12. What is respiratory gas transport and where does it occur?

13. Which is the respiratory stimulus?
Oxygen
Carbon dioxide
Nitrogen
Hydrogen

14. Tidal Volume Residual volume Vital Capacity Inspiratory Reserve Expiratory Reserve Which of these is in the lungs at all times?

15. Pleurisy involves what part of the lungs?

16. Fluid building up in the lungs can cause what?

17. What is it called when air sacs weaken and enlarge?