everyday science MCQ #3419

Our brain demands the most:

everyday science MCQ #3419

  1. Question 1

    Q1. Our brain demands the most:

    • A) Glucose
    • B) Lactose
    • C) Proteins
    • D) Vitamins

    Answer: Glucose

    Explanation: The brain relies almost exclusively on glucose as its fuel; it consumes roughly 20% of the body's total glucose supply despite being only about 2% of body weight.