A&p 13
Lab13 The Respiratory System BIO202L
Student Name:
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Access Code (located on the lid of your lab kit): Click here to enter text.
”1. Name two functions of the nasal cavity mucosa.”
”2. Why is the trachea reinforced with cartilaginous rings? ”
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”3. Describe the path a molecule of oxygen takes to get to body tissue, starting with the nares. ”
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”4. What is asthma? ”
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Experiment 1: Microscopic Anatomy of the Respiratory System
Table 1: Experimental Observations
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Respiratory Image |
Description of Visible Structure(s) |
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Trachea |
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Lung |
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”1. Label the arrows in the slide images below. ”
A- Click here to enter text.
B- Click here to enter text.
C- Click here to enter text.
D- Click here to enter text.
E- Click here to enter text.
F- Click here to enter text.
G- Click here to enter text.
H- Click here to enter text.
”2. What structural features of alveoli make them an ideal place for gas exchange? ”
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”3. Why is mucus present in the trachea? ”
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”4. What is the specific function of the cilia on the walls of the trachea? ”
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Experiment 2: Virtual Model – The Respiratory System
Insert screenshot of the epiglottis:
Insert screenshot of the middle lobe of the lung:
Insert screenshot of the nasal caviy:
Post-Lab Questions
”1. How many diaphragm(s) exist in the human body? ”
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”2. Does deoxygenated blood become oxygenated in the upper respiratory tract, the lungs, or the diaphragm? ”
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”3. Is the trachea superior or inferior to the diaphragm? ”
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4. Which component is more medial: the right lung or the tracheal bifurcation?
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”5. What is the most inferiorly located organ of the respiratory system? ”
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Experiment 3: Understanding Lung Mechanics
Table 2: Understanding Lung Mechanics Observations
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Squeezed Bottle Observations (Step 3) |
Released Bottle Observations (Step 4) |
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Post-Lab Questions
”1. What happens to the balloon? Why? ”
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”2. What would happen if the seal at the base of the bottle leaked? ”
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”3. What causes a collapsed lung? ”
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”4. Is a collapsed lung functional? Why or why not? ”
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Experiment 4: Spirometry
Patient A
Table 1: Patient A Spirometry Data
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Predicted Values |
Resting Value |
Exercise Value |
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FVC |
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FEV1 |
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FEV1/FVC |
Observations of spirometry graph shapes: Click here to enter text.
Patient B
Table 2: Patient B Spirometry Data
Predicted Values
Resting Value
Exercise Value
FVC
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FEV1
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FEV1/FVC
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Observations of spirometry graph shapes: Click here to enter text.
Patient C
Table 3: Patient C Spirometry Data
Predicted Values
Resting Value
Exercise Value
FVC
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FEV1
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FEV1/FVC
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Observations of spirometry graph shapes: Click here to enter text.
Patient D
Table 4: Patient D Spirometry Data
Predicted Values
Resting Value
Exercise Value
FVC
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FEV1
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FEV1/FVC
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Observations of spirometry graph shapes: Click here to enter text.
Patient E
Table 5: Patient E Spirometry Data
Predicted Values
Resting Value
Exercise Value
FVC
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FEV1
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FEV1/FVC
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Observations of spirometry graph shapes: Click here to enter text.
Post-Lab Questions
1. Based on the results of the spirometry test, is Patient A effectively managing his asthma symptoms with his inhaler medication? Explain your answer using the data collected during the test.
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1. Based on the results of the spirometry test, is Patient B suffering from asthma? Explain your answer using the data collected during the test.
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1. Based on the results of the spirometry test, does Patient C qualify for lung surgery? Explain your answer using the data collected during the test. Answer should be in terms of physiology and not simply a list of types of injuries.
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1. Based on the results of the spirometry test, what do you think is the cause of Patient D’s respiratory symptoms? Explain your answer using the data collected during the test. Conduct your own external research if necessary.
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1. Based on the results of the spirometry test, is Patient E suffering from asthma? Explain your answer using the data collected during the test.
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1. What are some potential drawbacks to relying on spirometry to diagnose respiratory conditions? Conduct your own external research if necessary.
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Experiment 5: Fetal Pig Dissection: The Respiratory System
Post-Lab Questions
”1. Describe the interior lining of the trachea. ”
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”2. Were there many or few vessels serving as conduits between the lungs and the heart? Why is this important? ”
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”3. Describe the function of the diaphragm during inhalation and exhalation. ”
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”Insert photo of your pig’s exposed lungs with your name and access code handwritten clearly in the background: “