Which organ regulates long-term blood pressure by controlling blood volume?
Correct answer: B. Kidney
- A. Liver
- B. Kidney
- C. Heart
- D. Hypothalamus
Explanation
Kidneys regulate blood volume through water and sodium reabsorption, controlling long-term blood pressure.
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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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