In a longitudinal section of the kidney, which one of the following is true for marked structure D?
Correct answer: B. Water reabsorption through loops of Henle
- A. Ultrafiltration
- B. Water reabsorption through loops of Henle
- C. Glucose reabsorption
- D. Blood filtration
Explanation
Renal pyramids are in the medulla and contain loops of Henle and collecting ducts-key sites for water reabsorption.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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