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____________________ help me move .
My ____________________ gives my body shape and protects my organs .
My spinal cord helps messages travel between my brain and the ____________________ in my body .
My heart is a ____________________ that pumps blood through my body .
The ____________________ I breathe in goes down my trachea to my ____________________ .
My body needs ____________________ from the air to live . I breathe out a gas called ____________________ ____________________ that my body does not need .
The food I eat goes down my ____________________ to my stomach .
My kidneys are special ____________________ that filter waste out of my blood .
The waste , travels down tubes called ____________________ to my bladder .