- The dissolved contents of the blood are forced into the Bowman's Capusle and is known as the Glomerular filtrate (it contains glucose, water, salts and urea).
- When the filtration occurs, it will filter out too much water
- As the filtrate reaches the collecting duct and passes through it, water is removed from the filtrate and the water goes back into the blood vessels.
- The water has been selected and reabsorbed into the blood.
- Therefore, there is the word "selective reabsorption"
- "Selective reabsorption" occurs in the collecting duct.
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