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tracheotomy
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Barbers would cut more than just hair, they would also perrform surgery
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Hospitals were built and used to treat the people who were ill
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you could now study the human body
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allowed sharing of discoveries to be quicker
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created a reflective microscope
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at this time nobody knew how blood circulated through the body
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new tools were invented
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discoverd vaccines
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first time someone had used soap to disinfect equipment
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Created the first X-ray
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showed the first full body scan
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People were now not allowed to smoke in certain places
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Rhazes discovered the difference betwwen smallpox and measles