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  Dissected human bodies and created anatomical drawings.
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  Dissected ,criminal, human bodies and make anatomical drawings.
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  Described the circulation of blood and the pumping of the heart.
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  Invented the Stethoscope.
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  Invented bifocals and found that colds could be passed from person to person.
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  created the vaccination for smallpox
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  Identified the cause of maternal infections and instituted hand washing.
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  First woman to qualify as a doctor in the U.S. Inspired Florence Nightingale to pursue nursing.
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  Fisrt doctor to use an antiseptic during surgery to prevent in the incision.
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  Started the first school of nursing during the Crimean War and made nursing an honorable profession.
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  "Angel of the Battlefield" she establishe teh American Red Cross.
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  Studied the effects of th unconscious mind on the body. He determined tht the mind and body work together. His studies were the basis of psychology and psychiatry.
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  Created rabies vaccine proved that microorganisms caused disease and discovered that heatin milk prevented the growth of bacteria (pasteurization).
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  Discovered x-rays, allowed doctors to see inside the body to discover what was wrong with patient.
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  isolated radium
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  It is a disease that doctors new little about. The disease spread throughout American and killed about 675,000 people.
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  Discovered penicillin, the first antibiotic.
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  Discovered an altered polio virus vaccine.
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  Creator of the oral polio vaccine, which was more effective than Salk's vaccine.
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  Preformed the world's first heart transplant surgery.
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  First test tube baby.
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  disease of the human immune system,making the person much more likely to get infections, from other diseases.
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  Is the insertion of genes into an individual's cells and tissues to treat a disease, and hereditary.
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  The process of creating an identical copy of an original. Dolly the sheep.