Consider the job of airport security, which (in part) involves preventing things that are potentially dangerous from getting onto airplanes. We can compare this aspect of their job to the _____, which accomplishes something similar for the brain.
A)blood-brain barrier
B)myelin sheath
C)axon terminals
D)dendrites
E)synaptic vesicles

Question

Quizplus · Accepted Answer

The blood-brain barrier functions to protect the brain by preventing potentially harmful substances present in the bloodstream from entering the brain, similar to how airport security prevents dangerous items from being brought onto airplanes.

Consider the Job of Airport Security, Which (In Part) Involves