4 Select the correct answer.
How does the body retain useful substances such as ions and nutrients in the blood during urine formation?
A.
The renal artery separates waste from nutrients before moving blood into the kidney,
B.
The glomerulus only permits waste substances to move from the blood into the Bowman's capsule.
The nephrons reabsorb useful substances after filtration into the blood.
c.
D.
Chemicals in the ureter collect useful substances and transport them into the bloodstream.
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