11th Class Biology Sample Paper Biology Sample Paper-5

  • question_answer
    The blood-brain barrier

    A)  Consists of both anatomical and physiological factors

    B)  Regulates to some extent the passage of substances from the blood to the interstitial fluid of the brain

    C)  Is anatomically related to the formation of tight junctions between adjacent capillary endothelial cells

    D)  All of the above are correct.

    Correct Answer: B


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