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This is important because they can try and see if there is something wrong in a certain part in the blood

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they seperate because if anything bad is in your blood, it will be removed from the rest of it and shows if any bad blood cells are in the blood stream

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they seperate because if anything bad is in your blood, it will be removed from the rest of it and shows if any bad blood cells are in the blood stream

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It could be important because the doctor would want to be able to see how many white and how many red blood cells are in your blood. 

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It could be important because the doctor would want to be able to see how many white and how many red blood cells are in your blood. 

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They serrate blood because when doctors check your blood they want to check every part of it to make sure your healthy 

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They serrate blood because when doctors check your blood they want to check every part of it to make sure your healthy 

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it might be important because the doctor might be looking for Bactria  

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it might be important because the doctor might be looking for Bactria  

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They only want to separate out things you don't need in your blood and may just want the red and white blood cells

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I think the doctors are looking for bacteria and viruses that should not be in the blood. 

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I think the doctors are looking for bacteria and viruses that should not be in the blood. 

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It could be important because they could be finding and things that are bad in your blood. 

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It could be important because they could be finding and things that are bad in your blood. 

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Our blood is a mixture between red and white blood cells also platelets and plasma

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the blood is made of different materials, and there may be something bad in a certain part of the blood.

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They're separated because doctors might need to test the different Types of blood.