Urine contains salt and water and urea.
Salt and water affects the concentration of the tissue fluid.
Which is called Osmoregulation.
The removal of the urea is part of the process of the excretion of metabolic waste.
The excretion of salt, water and urea, varies and depends on the condition of which a person is working.
Andrew I appreciate the effort you have put into this, and I will use the diagram below. Everything read up to this point
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