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Exam (elaborations)
CSD 331 Exam 4 Questions With Complete Solutions
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---12June 20232022/2023A+
- Passive exhalation correct answer: accomplished by recoil forces of the elastic tissues; Muscle action helps in this process- helps force air out of the lungs 
 
Internal Intercostals (interosseous portion) correct answer: Origin: superior margin of each rib (except 1st), top part of rib, Course upward and medially (at an angle), Insertion: inferior surface of rib above, When the interosseous portion contracts, the rib cage is depressed (pulls down, and rib cage becomes smaller) 
 
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