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Polio paralizes particular nerves including the nerves that control breathing. When a person had polio, it became difficult for that person to breathe. That person was placed in this large iron cylinder. Their neck and head stuck out. A diaphragm at the foot would go back and forth. The diaphragm would pull one direction creating a partial vacuum making the person breathe in. Then the diaphragm would push the other way creating increasing the air pressure. The person would breathe out. Eventually the patient would either die or recover. Vaccinations have wiped polio out of most of the world except for Muslim areas. Today, other devices can force air into and out of the lungs without covering the entire body.

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15y ago

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