What is the main job of bones in the human body?, To help us breathe, To support and protect the body , To help us eat, To protect us sleep, How many bones does an adult human body have?, 207, 208, 206, 300, Which part of the body protects the brain?, Skull, Teeth, Rib cage, Femur, Which bone protects the heart and lungs?, Skull, Rib cage, Teeth, Fibia, What is the function of the skeleton?, To make blood only, To help movement, To support, To support, protect, and help movement, What makes bones strong and hard?, Water, Calcium 钙, Magnesium 镁, Potassium 钾, What happens if bones break?, They cannot heal, They can heal over time, They break into dust, They grow back instantly, What helps bones grow strong in children?, Calcium 钙 and exercise, Sugar and sleep only, Drinking soda instead of milk, Using phones and tablets, What is bone marrow responsible for?, Helping digestion, Storing air for breathing, Making blood cells , Helping bones bend, What would happen without bones?, The body would be stronger, The body would have no shape, The body would turn into metal, The body would stop growing.

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