Which renal structure is primarily responsible for filtration of blood?

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Multiple Choice

Which renal structure is primarily responsible for filtration of blood?

Filtration of blood happens at the glomerulus, a tuft of capillaries inside the nephron. Blood pressure pushes water and small solutes across the filtration barrier—comprising fenestrated capillary endothelium, the basement membrane, and podocyte slit diaphragms—into Bowman's capsule, forming the filtrate while keeping cells and large proteins behind. This filtrate then moves into the renal tubule for reabsorption and secretion to shape the final urine. The renal pelvis merely collects urine after formation, not filtration. So, the structure primarily responsible for filtration is the glomerulus.

Filtration of blood happens at the glomerulus, a tuft of capillaries inside the nephron. Blood pressure pushes water and small solutes across the filtration barrier—comprising fenestrated capillary endothelium, the basement membrane, and podocyte slit diaphragms—into Bowman's capsule, forming the filtrate while keeping cells and large proteins behind. This filtrate then moves into the renal tubule for reabsorption and secretion to shape the final urine. The renal pelvis merely collects urine after formation, not filtration. So, the structure primarily responsible for filtration is the glomerulus.

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