Kidneys and the Nephron

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The function of the kidneys is to filter the blood to get rid of the stuff we don’t need. Urea, excess salts and excess water get removed from the blood and sent to the bladder, where they can leave the body as urine. Meanwhile the “clean” blood exits kidney and goes back into circulation.
The nephron is responsible for most of the work. Blood is filtered to remove small materials (like urea, glucose etc.) into the tubule. These materials move through the tubule and the useful ones are selectively re-absorbed (through osmosis for water, and active transport for most other things). The remaining filtrate (which is now urine) enters the collecting duct at the end of the kidney, and from here it will be sent to the ureter which is the tube leaving the kidney.
Note that in a healthy person ALL glucose will be re-absorbed (if glucose remains in the urine it may be a sign of diabetes), but MOST (not all) of the water and salts are re-absorbed.

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The best explaination I have seen

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Thanks!

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The best explanation I've watched so far.

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Truly stated!!

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You’re welcome!

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This was so helpful, the perfect amount of detail. Thank you.

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Thank you so much! You really condensed and simplified the content to make it easier to understand. Please keep up the good work :)

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Wow you nailed it.
This is clear as filtered blood😀

[@adammalliu4634]

filtered blood is not that clear tbh

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Bruh

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Thanks so much for breaking down the topic for clarity....

[@Science_Sauce]

You’re welcome! Happy to help.

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Collage,me studying in school

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Help ful class thanks dear ❣️

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Thank you all, so much, for this well-thought out video you’ve provided. Helped me tremendously.

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Really liked the explaination sir.I real understood the excretory system process just by watching this video

[@nu4248]

Thank you so much 🥰

[@akks9485]

Thank you very much, this process was Very vaguely presented in my textbook through a picture and it was Very confusing.
Watched a couple of videos to understand it and yours was the only one that helped, great explanation ❤️

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Really the best explanation.

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Super clear explanation that l understand very well. Thank you.

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Thank you so much

[@Safa2007_]

This is one of the easiest explanation of nephron that I have come through.
Thank you.

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Oh my God please continue doing these videos it's helped me so much

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Excellent, Excellent video!
Thank you very much.

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your explanation is just superb

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Thanks

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Thankyou so much sir, this helped me a lot

[@Science_Sauce]

You’re welcome!

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Thank you so much for this lecture.

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Excellent explanation - thank you!

[@Science_Sauce]

You’re welcome

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I missed my lesson last week and this video just saved me❤️❤️❤️

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really very helpful

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i like how simple this is

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Thank you so much...it helped a lot to clear my doubts....really helpful

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Thanks sir

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Very helpful 👍👍

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thanks bro now i can atleast pass my bio exam lol 😅🤣

[@Science_Sauce]

Good luck with it!

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Wow I understood 🥰 more than ever before thanks

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Thanks for this very very clear feedback on kidney excellent way of explaining 09/09/2022

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I like your teaching method

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well details. thank you very much

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Excellent presentation!

[@JoyRono-ro4nz]

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Understood ❣️

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[@ishikkasingh5981]

Very well explained my sister got full marks in biology

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This was incredible

[@yourmom705]

I thought pct was obligatory reabsorbtion not "selective" and also dct is variable reasbsortion

[@vikop4]

wow thank you for explaining it this way! My textbook was not clear about this at all

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Best explanation and figure function also ❤️❤️

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what a great video please make us a video on the breathing system of a fish

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Very useful

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totally awsome I got each and every points😊

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Glad I could help!

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🤗🥰😘

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the simplest way to explain urine formation

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Thank you sir😍

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damn an actually good A level biology video, cheers!

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Easy explanation

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please explain, when called kidney is damaged. Inside of kidney position.

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[@ayushjaiswal9863]

4:29why not urea diffuse to blood capilary from PCT as other useful transfer becoz, blood capillary have low concentrations of that's useful substances due to earlier process (ultra filteration)