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Science Crossword

Across
This organ helps you think
These protect your organs
This include the small and the large something
This flows through your bones
This organ takes in o2 and removes co2
This system transports blood
You use your nose/mouth to do this
this system is made up of glands
This gland controls your metabolism
This system houses your brain and spinal cord
Down
Your blood flows through these
Stomach, liver,lungs.skin etc are what
This system gets rid of waste
The endocrine system is made up of these
This system helps you breathe
This organism holds all of your organs
Sugar in your blood
These and your bones help you move
Your food goes here during the digestive process