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What simple machine makes up most of the joints in your body
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What simple machine makes up most of the joints in your body

User Illusionx
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levers
Most machines in your body are levers that consist of bones and muscles. Tendons and muscles pull on bones, making them act as levers. Joint, near where tendon is attached to bone acts as fulcrum. Muscles produce input force.
User Ryan Heathcote
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