Which of the following organs removes nitrogenous waste from the body?

Rationale

Kidneys remove nitrogenous waste from the body.

The kidneys are the primary organs responsible for filtering blood and excreting nitrogenous waste products, such as urea, through urine. This vital function helps maintain the body's overall homeostasis and fluid balance.

A (Gallbladder) YOUR ANSWER

The gallbladder stores bile produced by the liver, which aids in the digestion and absorption of fats. It does not have a role in the removal of nitrogenous waste, as its function is entirely related to digestion rather than excretion.

B (Liver) YOUR ANSWER

While the liver plays a crucial role in metabolizing proteins and producing urea from ammonia, it does not directly remove nitrogenous waste from the body. Instead, it converts toxic substances into less harmful forms, which are then sent to the kidneys for excretion.

C (Kidneys) CORRECT

The kidneys are essential for filtering blood, regulating electrolyte levels, and excreting nitrogenous wastes like urea and creatinine through urine. They play a critical role in the body's waste elimination system, ensuring that harmful substances do not accumulate.

D (Large intestines) YOUR ANSWER

The large intestines are primarily involved in the absorption of water and electrolytes from indigestible food matter, as well as the formation and excretion of feces. They do not remove nitrogenous waste, which is the function specifically designated to the kidneys.

Conclusion

The kidneys are the organs specifically designed to filter and remove nitrogenous waste from the body, ensuring the safe excretion of harmful substances. Although the liver plays a supportive role in metabolizing these wastes, it is the kidneys that ultimately facilitate their removal through urine. Other organs, such as the gallbladder and large intestines, serve entirely different functions and do not contribute to nitrogenous waste excretion.

Which of the following organs removes nitrogenous waste from the body?

Kidneys remove nitrogenous waste from the body.

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