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the human body
your body
| Question | Answer |
|---|---|
| what about teeth | not counted as bones |
| how many bones do we have when your a baby | 300 |
| how many bones do we have when we are grown up | 206 |
| when you break you arm... | the bone repairs itself |
| your muscles ? and ? | contract and relax |
| how do we move | your brain sends messages to your muscles |
| you have a ? when you break your arm | cast |
| you have a cast to... | straighten you bone when it breaks |