The muscles of the pectoralis group originate on which bone?
A) humerus
B) sternum
C) clavicle
D) cervical vertebra
E) mandible
B
Explanation:
A) The pectoralis group consists of the large muscles covering the ventral surface of the chest. They arise from the sternum and mostly insert on the humerus.
C) The pectoralis group consists of the large muscles covering the ventral surface of the chest. They arise from the sternum and mostly insert on the humerus.
D) The pectoralis group consists of the large muscles covering the ventral surface of the chest. They arise from the sternum and mostly insert on the humerus.
E) The pectoralis group consists of the large muscles covering the ventral surface of the chest. They arise from the sternum and mostly insert on the humerus.
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