1) Laughing is ...... a) Good for your heart b) Bad for you heart 2) Heart is ....... a) A muscular organ b) A bony organ 3) Size of heart is about the size of your ...... a) Head b) Fist c) Leg 4) Heart keeps........ moveing through the body parts  a) Cells b) Blood c) Bones 5) Blood moves through the........ to the body parts a) Blood vessels b) Lungs

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