Cerebral Spinal Fluid (flowing)
Has 4 primary purposes:
Buoyancy
Protection
Chemical stability
Prevention of brain ischemia (The prevention of brain ischemia is made by decreasing the amount of CSF in the limited space inside the skull)

Cerebral Spinal Fluid (flowing)

Has 4 primary purposes:

Buoyancy

Protection

Chemical stability

Prevention of brain ischemia (The prevention of brain ischemia is made by decreasing the amount of CSF in the limited space inside the skull)