After completing the first module, you should be familiar with the organs of the human respiratory system as well as their description and functions. Answer the following ten questions and submit the completed assignment to your instructor.
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Remember to save your work. When you have completed the assignment, submit it to your instructor for correction and feedback.
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1. The following is a diagram of the human respiratory system.
Name the parts identified by a letter.
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2. Describe how the respiratory system expels impurities that accumulate in the trachea.
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3. The following statements refer to the same organ of the respiratory system. Identify the false statements and rewrite them so as to make them true.
A. The nasal cavity is the external opening of the nose.
B. The middle concha is rich in blood vessels.
C. The olfactory receptors are situated in the superior concha.
D. The inferior and superior conchae contain mucous glands.
E. The sinuses serve as a resonance chamber for the voice.
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4. Identify the false statements and rewrite them so as to make them true.
A. The bronchi are composed of cartilage rings.
B. The trachea consists of rings composed of bone tissue.
C. The larynx is composed of cartilage.
D. The trachea is lined with mucous glands.
E. The pulmonary alveoli are lined with mucous glands.
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5. What roles do the nasal cavity, the trachea and the bronchi have in common?
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6. Some of the structures in the left-hand column can be matched with a description in the right-hand column. Identify the possible pairings and give a role for each of the remaining items.
| 1. Trachea | A. Serves as a passage for air and food. | | 2. Larynx | B. Its posterior wall consists of a sheet of muscle fibres. | | 3. Diaphragm | C. Structure separated by a wall. | | 4. Pharynx | D. Separates the thoracic cavity from the abdomen. | | 5. Pulmonary alveoli | E. Serves to protect the lungs. |
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7. All of the following statements describe the same organ of the respiratory system. Write the missing words in the correct order.
The __________(1) is also known as the throat. It is located between the nasal cavity and the __________(2), which houses the vocal cords. This structure also houses the __________(3), which play a role in the formation of antibodies and are part of the immune system. It is the junction of the __________(4) and the __________(5) tracts. The __________(6) helps to close the nasal cavity during swallowing.
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8. All of the following statements describe the same organ of the respiratory system. Write the missing words in the correct order.
The trachea divides into two __________ __________(1), which divide into the __________ __________(2). These further divide into smaller conduits, the __________ __________(3), which branch into the __________(4) that end with the __________(5).
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9. Identify the false statements and rewrite them so as to make them true.
A. Thoracic breathing is related to our emotions.
B. Thoracic breathing is observed in sleepers.
C. Abdominal breathing is characterized by an elevation of the diaphragm.
D. Abdominal breathing is also called diaphragmatic respiration.
E. Thoracic breathing is characterized by expansion of the chest cavity.
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10. Identify the false statements and rewrite them so as to make them true.
A. Tiny muscles in the lungs allow them to expand when we inhale.
B. The role of the lungs is to ensure gas exchange between the air and the surrounding muscle tissues.
C. The role of the pleural fluid is to moisten the lung tissues.
D. Gas exchange occurs by osmosis.
E. The pulmonary vesicles resemble bunches of grapes and contain many alveoli.
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Jennifer Miller: Assignment 1