Which one of the following has the least toxicity?
Correct answer: C. Uric acid
- A. Ammonia
- B. Urea
- C. Uric acid
- D. All are highly toxic
Explanation
Uric acid is a waste product formed from the breakdown of purines in the body. It is excreted in urine and can accumulate, leading to conditions like gout when levels are elevated.
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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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