Which is not a function of the kidneys?
A. They regulate osmolarity of the body fluids.
B. They fight osteoporosis by synthesizing vitamin D.
C. They help control blood pressure.
D. They release waste into the bloodstream.
E. They indirectly increase oxyhemoglobin.
Answer: D. They release waste into the bloodstream.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.