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  1. The outer membrane that covers the brain is

    2. A.

     Myelin sheath
    B.

     Dura mater
    C.

     Arachnoid membrane
    D.

     Pia mater

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    Answer : Option B

    Explanation :

    Three layers of membranes known as meninges protect the brain and spinal cord. The delicate inner layer is the pia mater. The middle layer is the arachnoid, a web-like structure filled with fluid that cushions the brain. The tough outer layer is called the dura mater.

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