The urinary system does all of the functions above except regulating blood volume (option B).
<h3>What is excretory system?</h3>
The excretory system is the collection of organs that work together to remove or eject material that has no further use from the body.
The urinary system is a part of the excretory system that deals with the removal of urinary waste products.
The urinary system has the following functions:
- excreting excess albumin molecules
- eliminating organic waste products
- regulating plasma concentrations of electrolytes
Therefore, the urinary system does all of the functions above except regulating blood volume.
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