Labels:text | human face | cartoon OCR: ? 44 BODY BODY MACHINE ORGANS SYSTEMS BODY BODY MACHINE FIND OUT MORE BODY MACHINE ABOUT THE BODY MACHINE How do reflex actions work? What are you made of? Why do you blink? How do you swallow? What happens when you sleep? How do you hear? Why do you chew your food? How often does your heart beat? How do your joints move?
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