This is a video for GCSE and IGCSE Biology. It covers the following objectives.

2.74B describe the structure of a nephron, including the Bowman’s capsule and glomerulus, convoluted tubules, loop of Henle and collecting duct.
2.75B describe ultrafiltration in the Bowman’s capsule and the composition of the glomerular filtrate.
2.76B understand how water is reabsorbed into the blood from the collecting duct.
2.77B understand why selective reabsorption of glucose occurs at the proximal convoluted tubule.
2.79B understand that urine contains water, urea and ions.