The role of the blood-brain barrier is to
A)stabilize the brain within the skull
B)enhance neurotransmitter functioning
C)provide nutrients to the brain
D)prevent many foreign substances from gaining access to the brain

Question

Quizplus · Accepted Answer

The blood-brain barrier primarily functions to protect the brain by preventing many foreign substances in the bloodstream from gaining access to the brain, ensuring that the brain's environment remains stable and protected from potentially harmful chemicals and pathogens.

The Role of the Blood-Brain Barrier Is to