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BIO 202L Lab 13 Worksheet - The Respiratory System
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BIO 202L Lab 13 Worksheet - The Respiratory System|BIO 202L Lab 13 Worksheet - The Respiratory System
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Lab 13 The Respiratory System BIO202LStudent Name:
Access Code (located on the lid of your lab kit):
Pre-Lab Questions
1. Name two functions of the nasal cavity mucosa.
Moistens, warms and also filters the air.
2. Why is the trachea reinforced with cartilaginous rings?
Because, it help the passageway stay open, even when there is too much force caused by
breathing.
3. Describe the path a molecule of oxygen takes to get to body tissue, starting with the nares.
Nose (nares) pharynx epiglottis larynx in the trachea
4. What is asthma?
Narrowing/swelling of the airways.
Experiment 1: Microscopic Anatomy of the Respiratory System
Table 1: Experimental Observations
Respiratory Image Description of Visible Structure(s)
Trachea The cilia, columnar and goblet cells
Capillaries, Alveolar sac, Alveoli and the
Lung
bronchi
Post-Lab Questions
1. Label the arrows in the slide images below.
A- Goblet cell
B- Basement membrane
C- Connective tissue of lamina propria
D- cilia lumen
E- Blood vessel
F- Bronchi
G- Alveolar sac
H- Alveoli
, Lab 13 The Respiratory System BIO202L
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