Explain the structure and function of the respiratory membrane.

A & P II (Discussion Questions)

Student Discussion Assignment (Respiratory System)

1. What are the primary functions of the respiratory system?

2. Explain the roles of mucus and cilia in the respiratory system.

3. Explain the structure and function of the respiratory membrane.

4. Identify and describe the four distinct events that are collectively called respiration.

5. After a long scuba diving session on a Caribbean reef, a patient boards a plane to Dallas. He begins to feel pain in his elbow on the flight back to Dallas. What is happening to him?

6. Explain how hyperventilation and hypoventilation alter levels of carbon dioxide in the blood.

1. Identify and describe the anatomical structures that allow for internal and external respiration to occur in humans.

2. View the anatomical models Figure 36.1, Figure 36.3 (a)and(b),and Figure 36.5 (a) from your Laboratory Manual and identify the structures that are described by the following abbreviated statements. Post your brief responses in the threaded Discussion Area below:

a. Lymphoid tissue protecting air passageways

b. Increases air turbulence in the nasal cavity

c. Covers the glottis during swallowing

d. Contains the vocal cords

e. Connects the larynx to the primary bronchi

f. Balloon-like structures at ends of the respiratory bronchioles

g. Section of the lung that lies on the diaphragm

h. Outer double-layered serous membrane

i. Impression on the left lung to accommodate the heart

3. View the histology slides Figure 36.6 (b)and Figure 36.7 (a)and (b) in your Laboratory Manual and identify the microscopic structures indicated by a leader line, number, or bracket. In the threaded Discussion Area below, briefly describe the function of:

a. Figure 36.6 (b) pseudostratified ciliated columnar epithelium

b. Figure 36.6 (b) goblet cell

c. Figure 36.6 (b) hyaline cartilage

d. Figure 36.7 (a) lumen of bronchiole

e. Figure 36.7 (b) alveolar duct

Below is Figure 36.1


Below is Figure 36.3 (a) and (bimage2.png image3.png

Below is Figure 36.5


Below is Figure 36.6 (b)


Figure 36.7 (a) and (b)


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