12. Fill in the gaps :

             (a) Ascending limb of Henle’s loop is _______ to water whereas the descending limb is _______ to it.
             (b) Reabsorption of water from distal parts of the tubules is facilitated by hormone _______.
             (c) Dialysis fluid contain all the constituents as in plasma except _______.
             (d) A healthy adult human excretes (on an average) _______ gm of urea/day.

Answers (1)
S Sonika

             (a) Ascending limb of Henle’s loop is impermeable to water whereas the descending limb is permeable to it.
             (b) Reabsorption of water from distal parts of the tubules is facilitated by hormone ADH.
             (c) Dialysis fluid contain all the constituents as in plasma except nitrogenous wastes 
             (d) A healthy adult human excretes (on an average) 20-30 gm of urea/day.

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