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Lina20 [59]
4 years ago
8

The blood-brain barrier

Biology
1 answer:
kipiarov [429]4 years ago
4 0
The correct option is B.
The blood brain barrier is designed to prevent the passage of some substances such as drugs from the blood stream into the brain. The blood brain barrier is made up of high density cell barriers which restrict passage of substances into the brain area.
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