Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Childhood Brain and Spinal Cord Tumors ?
    ### Response:
    Key Points
                    - A childhood brain or spinal cord tumor is a disease in which abnormal cells form in the tissues of the brain or spinal cord.     - The brain controls many important body functions.    - The spinal cord connects the brain with nerves in most parts of the body.
    