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LEARNING GUIDE
This page is for information only. There are no tests on this background information.
But you could, if you wish, explore the links below and then try the quiz |
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In a pinprick of blood there are 6 million red blood cells, each carrying an estimated 640 million molecules of
haemoglobin
Click on the picture to learn more |
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In a pinprick of blood there are between 4,000 and 10,000 white blood cells, making up the body's first line of
defence against disease and infection
Click on the picture to learn more |
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In a pinprick of blood there are between 150,000 and 400,000 platelets
Click on the picture to learn more |
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Plasma is the straw-coloured fluid in which the cellular components of blood are suspended. It plays a vital
role in stopping bleeding.
Click on the picture to learn more |
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Blood count calculations |
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