Which of the following muscles change the size of the chest for breathing?
A) intercostal muscles
B) transversus thoracis muscle
C) external oblique muscles
D) transversus abdominis muscle
A
Explanation:
B) The transversus thoracis muscles depress the ribs.
C) The external oblique muscles do not change the size of the chest for breathing.
D) The transversus abdominis muscle contracts with the other abdominal muscles to compress the abdomen.
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