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The Defense Membrane Used by the Brain That Controls the Passage

question 112

Multiple Choice

The defense membrane used by the brain that controls the passage of substances from the blood into the central nervous system is referred to as the:


Definitions:

Positive

Expressing or implying affirmation, agreement, or permission; in economics, may refer to aspects such as positive externalities or positive growth rates.

Decreasing

Refers to a situation where a quantity or level is going down or diminishing over time.

Positive

A term often used in economics and finance to denote values or changes that signify growth, improvement, or gains.

Decreasing

A trend or process of becoming less in size, amount, number, or degree.

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