The concentration of Na ions in the body fluids is controlled by the _ hormone.
Correct answer: C. Aldosterone
- A. ADH
- B. Parathormone
- C. Aldosterone
- D. Estrogen
- E. Thyroxin
Explanation
Aldosterone is a steroid hormone. Its main role is to regulate salt (which contains Sodium chloride mainly) in the body, thus having an effect on 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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