Exam (elaborations) BIOL 202L BIO 202L Lab 13 Worksheet- The Respiratory System

Lab 13 The Respiratory System BIO202L

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Pre-Lab Questions

”1. Name two functions of the nasal cavity mucosa.”
Warms and moistens air
”2. Why is the trachea reinforced with cartilaginous rings? ”
To prevent a collapse and to keep the air passageway open
”3. Describe the path a molecule of oxygen takes to get to body tissue, starting with the nares. ”
Pharynx, larynx, trachea, bronchi, bronchioles, alveoli, left ventricle, aorta, artery, arterioles,
and capillaries.
”4. What is asthma? ”
Due to the spasms in the bronchi, asthma is a respiratory condition that makes it difficult for
a person with it to breath.




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Experiment 1: Microscopic Anatomy of the Respiratory System




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Table 1: Experimental Observations




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Respiratory Image Description of Visible Structure(s)

Celia, goblet cells, columnar cells, a
Trachea basement membrane, and connective tissue
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of lamina propria
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Alveoli, alveolar sacs, bronchi, bronchioles,
Lung
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Post-Lab Questions
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”1. Label the arrows in the slide images below. ”
A- Goblet cells
B- Basement membrane
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C- Connective tissue of lamina propria
D- Cilia
E- Blood vessel
F- Bronchi
G- Alveoli
H- Alveolar sac



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, Lab 13 The Respiratory System BIO202L




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This study source was downloaded by 100000828872084 from CourseHero.com on 09-03-2021 16:08:13 GMT -05:00


https://www.coursehero.com/file/59039349/Lab-13-Worksheet-DONEdocx/