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Explain the pectoralis major muscle​

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Answer:

Origin: Clavicular head

Step-by-step explanation:

The pectoralis major (from Latin pectus, meaning 'breast') is a thick, fan-shaped muscle, situated at the chest of the human body. It makes up the bulk of the chest muscles and lies under the breast. ... The pectoralis major's primary functions are flexion, adduction, and internal rotation of the humerus

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