the blood brain barrier is a about the size of the cortex b

the blood brain barrier is

a. about the size of the cortex

b. none of the above

c. located in all three meninges

d. a spongy bone

e. located in the pia matter

Solution

b. none of the above

The blood–brain barrier consists of endothelial cells lining brain capillaries. It separates the brain from the circulatory system and protects the central nervous system.