Multiple choice

The main function of kidneys is

  1. to remove waste products from the body

  2. to control blood pressure

  3. to help in digestion of food

  4. to control body temperature
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A Correct answer
Explanation

Functions of kidneys are as follows: (a) Filtering out wastes to be excreted in the urine (b) Regulating blood pressure via both urinary excretion of wastes and initiating the rennin-angiotensen hormone regulatory system (c) Regulating an acid-base balance via the bicarbonate system (d) Stimulating red blood cell production via the release of the hormone erythropoietin

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