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Yeraldin Grano Period 3 Digestive & Urinary System - Coggle Diagram

- - - - 1. Proximal convoluted tubule: It is cuboidal cells with dense microvilli that form brush broder, it increases surface area and has larger mitochandria. It functions in reabsorption and secretion.
      - 2. Nephron Loop: Also called the loop of henle and is U-shaped structure consisting of two limbs. It has two limbs with different functions. The first is the descending limb that permeable to water and the water leaves then is filtate becomes concentrated. The second limb is ascending limb that is impermeable to water, it actively transports Na+, K+, and Cl- out. The filtrate becomes dilute.
      - 3. Distal Convoluted Tubule: It Fine-tunes ion balance and reabsorbs both Na+ and Ca2+. It also secretes H+ and K+. The main role of this is hormone regulated adjustment.
      - Collecting Duct: The final control of water balance. The water reabsorption controlled by ADH and the urea recycling helps maintain medullary gradient.