The process you are describing is characteristic of the kidneys, specifically the function of the glomeruli within them. The kidneys filter blood to form urine, and this process begins in the glomerulus, where blood plasma is filtered through a semipermeable membrane.
During this filtration process, water, ions, and small solutes pass through the membrane and into the renal tubules, while larger molecules such as proteins and blood cells are retained in the bloodstream. This selective filtration is essential for maintaining fluid and electrolyte balance in the body, as well as for removing waste products.
If you have further questions or need clarification on kidney function or related topics, feel free to ask!
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