hat is the blood brain barrier? (1 point) Responses the feature that helps maintain homeostasis of the brain the feature that helps maintain homeostasis of the brain the function of red blood cells providing energy to power neurons 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 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 the thin protective membrane that covers the spinal column

The blood-brain barrier is the thin protective membrane that covers the spinal column.