Q. The total amount of cerebrospinal fluid in humans is
A) 1 L
B) 2 L
C) 80-150 mL
D) 400-500 mL
Explanation
All the ventricles of the brain and central canal of spinal cord contains lymph-like extracellular fluid called cerebrospinal fluid (CSF). The total amount of CSF is 80-150 mL. CSF contains urea, lactic acid, Na, $K^{+},\ Ca^{+}$ etc.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.