Explain how the structure of the nephron is suitable to remove urea from the human body
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Answer:
Each nephron has a cup shaped upper end, called Bowman's capsule. It contains a bundle of blood capillaries, called glomerulus. The blood entering in to the glomerulus carries waste materials which are filtered out in the Bowman's capsule. Filteration is possible due to the walls of the glomerulus. The blood free from the waste materials enters into the nephric tubules to the heart through the posterior vena cava. During the flow of filterate blood in the long tube, there is reabsorption of useful materials. The fuild reaching the end of the collecting duct is called urine. Finally the urine moves through the ureter ans collects in the urinary bladder till thrown out of the body through urethra and urinary opening.
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