What protects the brain from mechanical shocks?
-
Vitreous humour
-
Aqueous humour
-
Cerebrospinal fluid
-
Lysozyme
C
Correct answer
Explanation
Cerebrospinal fluid (CSF) surrounds the brain and spinal cord, providing cushioning and protection against mechanical shocks. Vitreous and aqueous humour are fluids in the eye, while lysozyme is an enzyme found in tears and saliva - none protect the brain.