A. Directions: Encircle the item that does not belong to the group. Then write your reason on the space provided. (10 points)

1. Upper limb lower limb spine pelvic girdle
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2. Humerus skull clavicle radius
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3. biceps triceps stomach leg muscle
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4. intestines arm muscle esophagus heart
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5. skull rib cage spine pelvic girdle
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