Upper limb (arm) - Definition

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The two uman upper limb are commonly called arms. They are connected to the trunk at the shoulder joint. The arms consist of the clavicles, scapula, humerus, ulna, carpal, metacarpal bones and phalanges. The three joints of the arm are the shoulder, elbow and wrist. The humerus bone is solid and less likely to break than the forearm