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Alcmaeon of Croton distinguished veins from arteries.
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Creation of amalgams for dental procedures.
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The first Pharmacy was established.
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Rhazes discovered the difference between measles and smallpox.
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Roger Bacon events spectacles, and wrote a description of lenses to make letters bigger.
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Leonardo da Vinci dissects corpses.
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The use of the Scientific Method was creating.
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William Harvey publishes An Anatomical Study of the Motion of the Heart and of the Blood in Animals which forms the basis for future research on blood vessels, arteries and the heart.
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Allowed for the study of microscopic organisms.
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Anton van Leeuwenhoek discovers blood cells, and later observes bacteria.
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Giacomo Pylarini gives the first smallpox inoculations.
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Claudius Aymand performs the first successful appendectomy
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Edward Jenner develops the process of vaccination for smallpox, the first vaccines for any disease.
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The stethoscope was invented for doctors to hear other human heartbeats.
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The germ theory of disease was established, saying that most diseases are cause by microorganisms.
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Karl Landsteiner introduces the system to classify blood into A, B, AB, and O groups.
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Insulin was first used to treat diabetes.
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The vaccine for whooping cough was first developed.
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Dr. Christian Bernard performs the first human heart transplant
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HIV, and the virus that causes AIDS, was discovered.
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The Human Genome Project was released, and was completed when they found the sequence of DNA for every single gene in a complete set of human chromosomes.
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Jacques Marescaux surgical tasks are performed by a robotic system controlled by the surgeons.
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Jean Michel Dubernad performs the first face transplant on a women.
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First vaccine to help try and kill or reduce cancer.
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This is a painless killing of a patient that was suffering from pain.
