This image of William Harvey, who discovered the circulation of the blood, is shown courtesy the National Library of Medicine.
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Hematopoiesis is shown here, meaning the production of blood cells. The clipart is again from the Users website.The various types of blood cells are shown. Platelets are important in clotting.
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Red blood cells are shown here, one of which has the sickle shape. The clipart is from a Virginia website which is part of the High School Hub network.
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This clipart shows a normal hematocrit, which is about 45%. This is the percent of red blood cells, which is a measure of anemia. In anemia the hematocrit is low. The clipart is from the Users website, which appears to be designed to help kids with their homework. It appears to enable kids to download scientific clipart and print them out in their research papers. As such the site is a very valuable educational tool.
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This clipart is from a Virginia site which I accessed through High School Hub. The electron microscope does not show color, but it shows far greater detail than the light microscope.
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