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Ascending limb of Henle’s loop is to wat...

Ascending limb of Henle’s loop is ____________to water whereas the descending limb is___________to it.

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Impermeable, permeable,
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Assertion: In the descending limb of loop of Henle the urine is hypotoonic, while in ascending limb of loop of Henle, the urine is hypertonic. Reason: Descending limb is impermeable to water while ascending limb is impermeable to Na^(+)