Answered

How do the kidneys function as a part of the excretory system?

A. By removing bilirubin
B. By removing carbon dioxide
C. By removing salts, lactic acid, and urea
D. By removing nitrogenous wastes



Answer :

GinnyAnswer

Final answer:

The kidneys filter the blood to remove waste products and maintain the body's balance, essential for overall health.


Explanation:

The kidneys function as part of the excretory system by filtering the blood to remove waste products and excess water, forming urine for excretion.


  1. Specifically, the kidneys remove nitrogenous wastes like urea and uric acid, maintaining the body's water balance and regulating pH levels.
  2. Filtration in the kidneys helps in excreting metabolic waste products and regulating homeostasis of mineral ions and blood pressure in the body.
  3. If the kidneys fail, functions like waste removal and maintaining water balance are compromised, leading to severe health consequences.

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