Option A, The functional structural and operational component of the kidney is the nephron. because it is the kidney's smallest structure capable of performing its duties.
The nephron is the name for the kidney's functional unit. Each kidney has hundreds of thousands of nephrons, which have the capacity to absorb, resorb, and expel chemicals. The glomerulus, proximal convoluted tubule, and Henle's loop make up this structure. It functional consists of a coiled renal tubule and a peritubular capillary vascular network. The tubule is divided by many sections, each nephrons of which serves a crucial purpose. Each kidney has a little over a million nephrons.
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