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In this time period, doctors believed in ideas of Greek physisian, Galen. His idea was the body was made up of four humours (fluids) which determined what your personality was and how you reacted to disease.
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1) Blood/Sanguine- Hot: feiry personality
2) Phlegm- Cold: Calm personality
3) Yellow Bile- Dry: Bad-tempered personality
4) Black Bile- Moist: Melancholy personality
Illness resulted when you had too much of one humour -
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Little was known in this time period about hygeine. Many people died from infections and child birth.
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Girolamo Fabrici studies leg veins and noticed that they have valves which allow blood flow to the heart.
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Itailian doctor, Santorio, invented the medical thermometer.
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William Harvey described the circulation of blood to and from the heart.
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Doctors discovered that bark from the Cinchona trees coulld treat Malaria.
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Athanasius was the first man to use a microscope to investigate the cause of diseases.
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Sir Christopher Wren starts experimenting on dogs, and preforming canine blood tranfusions.
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Robert Boyle published his book the "Skeptical Chemist" which laid the foundation for modern chemistry. It explained how the body takes in something from the air to breathe.
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Robert Hooke was the first person to describe cells, in his book "Micrographia"
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Anton Van Leevwenhoek invented the first microscope.
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Anton Van Leevwenhoek discovered blood cells with his new invention, the microscope.
