The nephron carries out nearly all of the kidney's functions.It have different structure and function to that of the proximal convoluted tubule.The nephron is the tiny filtering structure in your kidneys. Each of your kidneys contain more than a million tiny filtering nephrons that help clean your blood.Nephrons are the most important part of the kidneys as they provide the function and structure. They are involved in a number of processes.Nephrons are the basic structural and functional units of the kidney. They consist of a network of tubules and canals specialized in filtration.
There are normally approx. one million (0.8 - 1.5 million) kidney nephrons in each of the two kidneys.
Nephron has part such as bowman's capsule glomerulus conducting duct  whicch filters all the poisonous wastes and send the wastes to the ureter and then to urethra and urinary bladder