Describe the structure and functioning of nephrons: The structure and function of the

The structure and function of the epithelial cells lining the lumen change during the course of the nephron, and have segments named by their location and which reflects their different functions. Fig.4) Diagram outlining movement of ions in nephron, with the collecting ducts on the right. Nephron, functional unit of the kidney, the structure that actually produces urine in the process of removing waste and excess substances from the blood. There are about 1,000,000 nephrons in each human kidney. Learn more about the structure and function of nephrons in this article. A nephron is the unit of structure and function in the kidney. Each nephron is a coiled tube held together by a tough fibrous connective tissue. In humans, a healthy adult has 1 to 1.5 million nephrons in each kidney, functioning together to filter blood from all its impurities. They also regulate blood pressure, control electrolytes, and regulate blood pH. Functioning of Nephron: - Ultrafiltration: Blood enters the nephron through the glomerulus, where high pressure forces water and small solutes out of the blood and into the Bowman's capsule, forming a filtrate.