Question

II. THE BRONCHIAL TREE 1. Read Sections 24.4 The Trachea and 24.5 The Main Bronchi on p. 632 of your textbook. a. What is the function of the tracheal cartilages? b. The mucous membrane found in the carina of the trachea is the most sensitive region of the respiratory system, known to trigger a strong coughing reflex. Why do you think this part is so sensitive? Why would triggering a strong coughing reflex in this area of the respiratory system be important for protecting our health? 2. Label the following structures on the bronchiole tree diagram below, and on the available models. - Carina of trachea - Primary (main) bronchus (right and left side!) - Secondary (lobar) bronchus - Trachea (use a bracket to indicate) - Tracheal cartilage 3. The tips of the bronchial tree connect to the alveoli of the lungs (tiny sacs of simple squamous epithelium that hold air). Read the section on Alveolar Ducts and Alveoli on p. 638 of your book. a. Label the diagram of alveoli. - Alveolar duct - Alveolar sac - Alveoli - Capillary beds - Respiratory bronchiole Lab 20: Respiratory System

          II. THE BRONCHIAL TREE
1. Read Sections 24.4 The Trachea and 24.5 The Main Bronchi on p. 632 of your textbook.
a. What is the function of the tracheal cartilages?

b. The mucous membrane found in the carina of the trachea is the most sensitive region of the respiratory system, known to trigger a strong coughing reflex. Why do you think this part is so sensitive? Why would triggering a strong coughing reflex in this area of the respiratory system be important for protecting our health?

2. Label the following structures on the bronchiole tree diagram below, and on the available models.
- Carina of trachea
- Primary (main) bronchus (right and left side!)
- Secondary (lobar) bronchus
- Trachea (use a bracket to indicate)
- Tracheal cartilage

3. The tips of the bronchial tree connect to the alveoli of the lungs (tiny sacs of simple squamous epithelium that hold air). Read the section on Alveolar Ducts and Alveoli on p. 638 of your book.
a. Label the diagram of alveoli.
- Alveolar duct
- Alveolar sac
- Alveoli
- Capillary beds
- Respiratory bronchiole

Lab 20: Respiratory System

II. THE BRONCHIAL TREE
1. Read Sections 24.4 The Trachea and 24.5 The Main Bronchi on p. 632 of your textbook.
a. What is the function of the tracheal cartilages?

b. The mucous membrane found in the carina of the trachea is the most sensitive region of the respiratory system, known to trigger a strong coughing reflex. Why do you think this part is so sensitive? Why would triggering a strong coughing reflex in this area of the respiratory system be important for protecting our health?

2. Label the following structures on the bronchiole tree diagram below, and on the available models.
- Carina of trachea
- Primary (main) bronchus (right and left side!)
- Secondary (lobar) bronchus
- Trachea (use a bracket to indicate)
- Tracheal cartilage

3. The tips of the bronchial tree connect to the alveoli of the lungs (tiny sacs of simple squamous epithelium that hold air). Read the section on Alveolar Ducts and Alveoli on p. 638 of your book.
a. Label the diagram of alveoli.
- Alveolar duct
- Alveolar sac
- Alveoli
- Capillary beds
- Respiratory bronchiole

Lab 20: Respiratory System

Added by Elizabeth J.

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