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Megan Nolan




Triple Biology Revision Notes:
The Kidney

Labelling diagrams:





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Megan Nolan




The purpose of the kidney is to regulate the water content in the body/ blood and remove any
waste products such as toxins, once the urine- the waste product containing urea and excess salts- is
formed, it passes from the kidney through the ureters to the bladder, where…

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Megan Nolan




other diseases and there is an increased risk
of infection
Dialysis-

Dialysate- the material that passes through a membrane during dialysis

1. The dialysis machine, the person's blood flows around a selectively permeable membrane,
surrounded by dialysate.
2. The barrier is permeable to things like ions and waste…

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