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What is the primary function of the blood brain barrier?
A. to separate blood circulating the body from the PNS
B. to separate white and red blood cells circulating the CNS
C. to fight against alcohol and nicotine
D. to prevent infectious agents and toxins from getting into the brain by way of blood
Select your answer:
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The type of blood vessel that normally carries de-oxygenated blood back to the heart from body cells?
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