The primary organ responsible for excretion is which?

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Study for the Galen Pharmacology Exam 1 Test. Use flashcards and multiple choice questions with hints and explanations. Achieve exam success!

Multiple Choice

The primary organ responsible for excretion is which?

Explanation:
The kidneys handle excretion. They filter the blood through tiny filtering units called nephrons, removing waste products like urea and creatinine, balancing electrolytes, and regulating fluid and acid-base status. The waste becomes urine and is eliminated from the body. While the lungs expel carbon dioxide and some water vapor, and the liver processes toxins and secretes bile, neither is the primary organ for excreting waste in the way the kidneys are. Blood is a circulating fluid, not an organ that excretes waste directly.

The kidneys handle excretion. They filter the blood through tiny filtering units called nephrons, removing waste products like urea and creatinine, balancing electrolytes, and regulating fluid and acid-base status. The waste becomes urine and is eliminated from the body. While the lungs expel carbon dioxide and some water vapor, and the liver processes toxins and secretes bile, neither is the primary organ for excreting waste in the way the kidneys are. Blood is a circulating fluid, not an organ that excretes waste directly.

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