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Question
Intercostal muscles are found in
Options:
A .  Fingers
B .  Thoracic ribs
C .  Femur
D .  Radius-Ulna
Answer: Option B
:
B
Intercostal musclesare several groups ofmusclesthat runbetweenthe ribs, and help form and move the chest wall. Theintercostal musclesare mainly involved in the mechanical aspect of breathing. Thesemuscleshelp expand and shrink the size of the chest cavity to facilitate breathing.

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