Question

What is the blood brain barrier?
the feature that helps maintain homeostasis of the brain
the function of red blood cells providing energy to power neurons
the chain of interactions that allows an electric pulse to be interpreted as taste,
smell, and so on
the thin protective membrane that covers the spinal column

Answer 1

Answer:

the feature that helps maintain homeostasis of the brain

Explanation:

The blood-brain barrier (BBB) is a crucial immunological feature of the human central nervous system (CNS). Composed of many cell types, the BBB is both a structural and functional roadblock to microorganisms, such as bacteria, fungi, viruses or parasites, that may be circulating in the bloodstream