Biomedical Engineering Reference
In-Depth Information
CHAPTER
9
Flow in the Lungs
LEARNING OUTCOMES
1.
Identify the salient components of the
respiratory system
2.
Describe the physiology of the lungs
3.
Compare the branching structure within
the respiratory system to that found within
the vascular system
4.
Explain the alveoli structure
5.
Use Boyle's Law to predict changes in the
lung size
6.
Model lung movement during inspiration
and expiration
7.
Formulate a relationship for lung blood-
vessel elasticity
8.
Analyze the separation distance between
the alveoli and the capillaries
9.
Discuss the air volumes associated with
normal breathing
10.
Describe the lungs' reserve volumes for
breathing
11.
Analyze the composition of air in the
atmosphere and in the lungs
12.
Formulate the diffusion rate within the
alveoli
13.
Calculate changes in breathing rate
associated with changes in atmospheric
conditions
14.
Model the respiratory boundary as a
semipermeable membrane
15.
Describe the mechanisms for gas transport
within the blood
16.
Explain the role of hemoglobin in oxygen/
carbon dioxide transport
17.
Discuss compressible fluid flow
18.
Discuss diseases that affect the respiratory
system
9.1 LUNG PHYSIOLOGY
The respiratory system provides the means for gas exchange between the air within the
atmosphere and the cardiovascular system. Before atmospheric air flows into the lungs, it
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