Which of the following is considered a powerful physiological buffering system of the body?

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The kidney is considered a powerful physiological buffering system of the body because it regulates the pH of the blood by controlling the excretion of acids or bases in urine. The skin acts as a barrier to prevent changes in pH, but it is not considered a buffering system. The liver plays a role in maintaining pH balance, but its primary function is to metabolize and eliminate toxins. The intestine absorbs nutrients and water, but it does not regulate pH.

Which of the Following Is Considered a Powerful Physiological Buffering