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Unlocking Respiration: The Diaphragm's Central Role in Breathing

Chapter 10, Problem 4

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QUESTION:

The prime mover of inspiration is the

(a) diaphragm,

(b) internal intercostals,

(c) external intercostals,

(d) abdominal wall muscles.

Questions & Answers

QUESTION:

The prime mover of inspiration is the

(a) diaphragm,

(b) internal intercostals,

(c) external intercostals,

(d) abdominal wall muscles.

ANSWER:

Step 1 of 3

The intake and expulsion of air from the lungs constitute the fundamental physiological process of breathing, which allows the body to exchange oxygen and carbon dioxide. The coordinated activity of several muscles and tissues is required. The brainstem's respiratory centers manage the automatic breathing process and are essential for giving the body's cells oxygen and expelling waste gases.

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Unlocking Respiration: The Diaphragm's Central Role in Breathing
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Discover the fundamentals of the respiratory system and the primary muscle behind inspiration. This video breaks down the physiological process of breathing, the key role of the diaphragm, and why other muscles don't initiate breathing.


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