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Angela Carpenter How the body maintains good health The body is very clever at protecting it's self from micro-organisms such as bacteria and viruses there are three main ways of doing this, these are called innate immunity. Once micro-organisms are in the body there are several ways the body can react to maintain good health. The first line of defence is the skin and eyes. The epidermis of the skin is very reluctant to puncture and this makes it a very effective organ in protecting the body. If the skin is broken, then the blood clots quickly to seal the puncture. If the skin is punctured then small blood vessels will be cut. The white blood cells contain platelets which are vital to blood clotting. The first reaction would be for the skin to swell which will narrow the blood vessels to slow the flow of the blood, when platelets come into contact...

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