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1
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the largest bone of our body
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3
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the fibres that join the bones and muscles
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4
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the muscles that help pull down the arm
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5
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the place where our teeth are fixed
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6
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the only bone in the skull that can move
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8
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the system that controls movement of all muscles
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11
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the muscles that help pull up the arm
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13
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the type of joint that the ankles and wrists have
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14
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the muscles that help the heart pump blood all over the body
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15
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the total number of pairs of ribs.
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17
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the part of our body which protects the heart
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20
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the no of bones the upper part of the skull is made up of
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