The kidneys not only remove waste products from the blood, but also play a very important role in maintaining -
A
The amount of ADH released.
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B
Constant composition of the blood.
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C
Body temperature.
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D
Constant blood pressure
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Solution
The correct option is B Constant composition of the blood.
Kidneys ensure that the pH balance, osmolarity and general composition of our blood is maintained in a stable range, irrespective of how much waste is produced by filtering the blood, excreting certain substances and reabsorbing certain others. It helps in maintaining a balance in blood composition. ADH (Antidiuretic hormone) acts on the kidneys to reabsorb water and is secreted and controlled by the pituitary gland.