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Monday, November 7, 2011

2.72 Water re-absorption



2.72 Understand that water is reabsorbed into the blood from the collecting duct.

- When the plasma is filtered from the blood in the Bowman's capsule, too much water is taken with the plasma from the blood.

- So as the filtrate passes along the Nephron Tube, when it reaches the collecting duct the water is removed from the filtrate and returned back to the blood vessels and back into the blood stream.

- This water has been selected and is reabsorbed by the blood into the blood stream. Because of this is is called Selective Reabsorbtion

- Loop of Henle also collects water but it is the collecting duct that does the controlling of water content of urine and therefore blood.


1 comment:

  1. Loop of henle also collects the water but it is the collecting duct that does the controlling of water content of urine and therefore blood

    ReplyDelete