Answered

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Which of the following muscles of respiration is/are active during quiet inhalation?

1) Diaphragm
2) External intercostals
3) Internal intercostals
4) Rectus abdominis

A. 1, 2 are correct
B. 1, 2, 3, and 4 are correct
C. 1, 2, 3 are correct
D. Only 1 is correct

Sagot :

GinnyAnsweridn

Final answer:

During quiet inhalation, the active muscles are the diaphragm and external intercostals.


Explanation:

During quiet inhalation, the muscles that are active include:

  1. Diaphragm: Contracts and moves downward, increasing thoracic volume.
  2. External intercostals: Contract to lift ribs up and out, aiding in expanding the rib cage.

The internal intercostals and rectus abdominis are not typically active during quiet inhalation.


Learn more about Muscles of respiration during quiet inhalation here:

https://brainly.com/question/39150106


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