Final answer:
The cerebrospinal fluid is contained in the subarachnoid space of the central nervous system, which lies between the arachnoid and pia mater layers.(option b)
Step-by-step explanation:
The area of the central nervous system (CNS) that contains cerebrospinal fluid (CSF) is the subarachnoid space. This space is situated between the arachnoid mater and pia mater, two of the three meningeal layers that provide protective coverings for the brain and spinal cord.
The CSF in the subarachnoid space acts as a cushion and shock absorber for the CNS, and it also circulates chemical substances throughout the brain and into the spinal cord. Therefore, the answer to the question is b) Subarachnoid space.Moreover, the subarachnoid space plays a crucial role in facilitating the exchange of nutrients and waste products, contributing to the overall homeostasis and protection of the central nervous system.