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The mechanism of urine formation involves three processes: filtration, reabsorption, and secretion. Primary urine is formed by filtration from the blood. In primary urine, certain substances are reabsorbed into the blood and other substances are secreted into the primary urine from the blood.

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Answer:

No attainable question.

Explanation:

I dont see the question here. The above statement is correct but, there is no defined question.

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