Answer:
b) Subarachnoid space
Explanation:
The subarachnoid space is the gap present between arachnoid mater and pia mater. The clear and colorless liquid present in the subarachnoid space is called cerebrospinal fluid.
The major constituent of cerebrospinal fluid is water. The primary function of cerebrospinal fluid is to protect the central nervous system (brain and spinal cord) from any kind of chemical or physical injury.
