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How do our joints work?
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Joints are the places where bones move against each other. Shoulders and hips have ball-and-socket joints. These allow movement in any direction. Elbows have hinge joints, which allow them to move backward and forward. A pivot joint allows the head to turn sideways.
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Previous:
Back
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Book:
Best Ever Q&A
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Section:
Science & Technology
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Chapter:
Human Body
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