issb general knowledge MCQ #942

Which organ filters blood (w15-34)?

issb general knowledge MCQ #942

  1. Question 1

    Q1. Which organ filters blood (w15-34)?

    • A) Heart
    • B) Kidney
    • C) Lung
    • D) Stomach

    Answer: Kidney

    Explanation: Kidneys filter waste from the blood. Work each step carefully; ISSB math rewards accuracy under time pressure.