Praxis 5005 Practice Test Practice Question
Which of the following organs in the human body eliminates wastes and helps maintain salt and water balance?
Correct Answer: D
Rationale: The kidney plays a crucial role in eliminating waste products from the blood and regulating salt and water balance, making it essential for homeostasis. It filters blood, producing urine that expels toxins and excess substances.
The liver (A) primarily processes nutrients and detoxifies harmful substances but does not directly eliminate waste. The spleen (B) is involved in filtering blood and immune functions, not waste elimination. The gallbladder (C) stores bile for digestion but does not participate in waste removal or fluid balance. Thus, the kidney is uniquely suited for these vital functions.
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