_is responsible to check the concentration of urine.
Correct answer: A. Collecting duct
- A. Collecting duct
- B. Glomerulus
- C. Loop of Henle
- D. Bowman's capsule
Explanation
The collecting duct is responsible for determining the final concentration of urine. It adjusts the amount of water that is reabsorbed from the urine back into the bloodstream under the influence of antidiuretic hormone (ADH). In contrast, the glomerulus is involved in the initial filtration of blood, the Loop of Henle creates a concentration gradient necessary for water reabsorption but does not directly regulate urine concentration, and Bowman's capsule is merely a structure that collects filtrate from the glomerulus.
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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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