Differentiate between the following :
(b) Proximal and Distal convoluted tubules

Solution

Proximal convoluted ubule	Distal convoluted tubule
It has brush border epithlium.	It has few short microvilli.
It connects the Bowman's capsule and Loop of henle	It connects loop of Hnle and collecting duct.
Diameter is larger	Diameter is smaller.
Active absorption of whole of glucose, most of amino acids and vitamin C. It also reabsorbs 70% of Na, 75% K and large amount of Ca⁺². Urea is also reabsorbed.	Active absorption of some Na⁺, C1^–ions and water.

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