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| 4 | tissue that allows the body to move | 
 
 
| 6 | the body system that is responsible for breathing | 
 
 
| 8 | the system that works with the skeletal system to help your body move | 
 
 
| 9 | where food is absorbed into your bloodstream | 
 
 
| 10 | this body part tells the rest of the body what to do | 
 
 
| 12 | the body system that is in charge of the rest of the body and tells it what to do | 
 
 
| 13 | two spongy air sacs where oxygen enters the bloodstream | 
 
 
| 15 | the system that gives your body its shape | 
 
 
| 16 | this bundle of nerves travels through vertabrae from the brain down through the center of your body | 
 
 
| 18 | the system that breaks down your food | 
 
 
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