2.72 Water re-absorption

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

When ultrafiltration occurs it tends to filter out more water and as the filtrate passes along the tubule, when i reaches the collecting duct, water is removed from the filtrate and returned back to blood vessels (blood stream)

The water is selected and it's been re-absorbed.

this is selective re-absorption of water. This occurs in the collecting duct.