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In this video I'm going to explain to you the formation of urine. First blood moves through

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the capillary networks. There the filtration takes place and what happened now? Okay,

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some small molecules such as water, salts or glucose enter in the Bowman's capsule. Then

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the filtrate travels through the tubules of the nephron. We have already studied

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these tubules. They are distal tubule, loop of Henle and finally we have the

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proximal tube. So the molecules the filtrate contain are absorbed by nearby

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capillaries. And finally the result is the urine. This urine will pass to the

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collecting duct and then to the ureters.