answer; ///i believe that the correct answer is (a) specialized cells)
Answer from: Quest
answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.
explanation:
Another question on Biology
Biology, 22.06.2019 08:20
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