Review Questions 10

What is the purpose of respiration and what are its two components?

2.         Trace the pathway of air from the outside into the blood.

3.         What are the advantages of breathing through the nose?

4.         Describe the lung cavities.

5.         What   muscles         are      used   for       inhalation?    Forceful expiration?

6.         What are chemoreceptors and how do they function to regulate breathing?

7.         Define four volumes used to measure breathing.