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Jean-Baptise Denys invents a method of blood transfussion. http://thekingsenglish.wordpress.com/2011/03/'
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William Henry concluded all animals developed from eggs. http://timcourtois.files.wordpress.com/2010/11/p648029-sperm_fertilizing_egg-spl1.jpg
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Jan Swammerdam observed red blood cells. http://www.naturaskinclinic.co.uk/wp-content/uploads/2013/01/RedBloodCells3.jpeg
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Cells were discovered by Hooke. http://www.stemcellsinc.com/images/charts/cell_cartoon.jpg
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Francesco Redi showed fly maggots only appeared on pieces of meat in jars left open to air. http://b.vimeocdn.com/ts/431/889/431889018_640.jpg
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Marcello Malpighi published the developmemt of a chicken. http://b.vimeocdn.com/ts/431/889/431889018_640.jpg
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Leeuwenhoek discovers protoza and called it "animalcules" http://easyscienceforkids.com/wp-content/uploads/2013/06/protozoa.jpg
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Leeuwenhoek observed spermatozoa. https://myhealth.alberta.ca/health/_layouts/healthwise/media/medical/hw/n5550881.jpg
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Leeuwenhoek observed bacteria. http://www.newhealthguide.org/images/19999893/image001.jpg
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Invention of the "real" microscope by Leeuwenhoek. http://www.history-of-the-microscope.org/history-of-the-microscope-who-invented-the-microscope.php
