idki001
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When blood is filtered in the kidneys why is it 'reabsorbed' AND why does it contain nutrients like glucose amino acids haven't those been given to cells through the tissue fluid?
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stephsmhb
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(Original post by idki001)
When blood is filtered in the kidneys why is it 'reabsorbed' AND why does it contain nutrients like glucose amino acids haven't those been given to cells through the tissue fluid?
It is reabsorbed because substances in the blood (mainly amino acids and glucose) need to go back into the bloodstream so that they can be used by the body for protein synthesis, respiration etc. It contains nutrients because nutrients are carried in the blood stream. Remember... tissue fluid comes from the blood. Feel free to pm me if you have any further questions
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Kallisto
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(Original post by idki001)
When blood is filtered in the kidneys why is it 'reabsorbed' AND why does it contain nutrients like glucose amino acids haven't those been given to cells through the tissue fluid?
The reabsorbed blood needs to go back to the bloodstream for all kinds of metabolism. One of the main functions of the blood is to carry the nutrients whereby the metabolism is supported by the blood and the circle is complete.
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