"Blood pressure forces fluid out of capillaries and into the entrance to a kidney tubule." This is a description of

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This statement describes the process of filtration, where the blood pressure forces fluid out of capillaries and into the entrance of a kidney tubule. This is the first step in the process of urine formation, where small molecules are filtered out of the blood and into the kidney tubules. Reabsorption, secretion, elimination, and excretion all take place at different stages of urine formation.

"Blood Pressure Forces Fluid Out of Capillaries and into the Entrance