Which human organ is primarily responsible for filtering blood and producing urine?
A
Liver
B
Spleen
C
Pancreas
D
Kidney
Correct Answer: Option D — Kidney
Explanation:
Kidneys filter waste products and excess fluids from the bloodstream, forming urine for excretion. They also regulate blood pressure, electr...
Kidneys filter waste products and excess fluids from the bloodstream, forming urine for excretion. They also regulate blood pressure, electrolyte balance, and red blood cell production, making them vital for maintaining internal body stability.