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mojhsa [17]
3 years ago
8

The thin layer at Earth's surface where life exists is called the

Biology
1 answer:
Lyrx [107]3 years ago
4 0

Answer:ma

Ksssmmsma

Explanation:Manama

Am

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Which of the following is true of the blood-brain barrier? a. The barrier is formed by cells that line the capillaries of the br
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The barrier functions to regulate the chemical composition of the extracellular fluid surrounding the brain cells.

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