Which of the following is NOT a function of the kidneys?
a. maintenance of acid-base balance of the blood
b. maintenance of plasma osmolarity
c. exchange of oxygen and carbon dioxide with the tissues
d. maintenance of electrolyte balance in the body

C.

Explanation: The kidneys do not have an effect on the exchange of oxygen and carbon dioxide with the tissues, that is a function of the lungs.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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