Question

bio - 201 topic 5: neuronal communication and the brain
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what is the meninges role in protecting the brain and spinal cord?
to insulate the brain and spinal cord from external radiation
to produce and secrete enzymes that break down toxins in the brain and spinal cord
to regulate the flow of cerebrospinal fluid in the brain and spinal cord
to provide structural support to the brain and spinal cord
to act as a cushion, a barrier, and a source of nutrients and oxygen

Explanation:

The meninges are three layers of protective membranes around the brain and spinal cord. They cushion the organs, act as a barrier against pathogens and physical damage, and also provide nutrients and oxygen through blood - vessel - containing layers.

Answer:

To act as a cushion, a barrier, and a source of nutrients and oxygen