Tag Archives: kidneys

Biomarker Series: The Kidneys

Flickr Creative Commons_SteveDavis

Credit: Flickr Creative Commons_SteveDavis

We can’t live without our kidneys. Luckily, we are born with two, and if one goes on an extended vacation the other can step up and do the job, but without both, we’re toast. The kidneys are responsible for filtering our blood and getting rid of all the harmful waste materials from the many daily processes our cells undergo.

Urine is essentially filtered blood. When you drink fluid containing water, the water adds to your blood volume and your kidney adjusts how much is filtered to maintain a consistent blood pressure. That is why drinking a lot makes you go to the bathroom.

Also, it’s why dehydration is so bad for you. Your body needs to get rid of waste in the blood, but it can’t continue taking from the blood volume without anything to replace it (water). Continue reading

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