how is blood test useful to diagnose the disease ? explain with daily life situation
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Blood test is useful because it give the whole picture..e.g if someone has anaemia and show symptoms like pale skin ,loss of appetite and weakness then only after blood test heamoglobin level is determined and if it is below the normal or standard level it means he or she is aneamic...then we can know the reason behind the symptoms that is aneamia
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your answer is:-
blood test is very important because it help to disease explanation and many help to us
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