Plant have both cell wall and cell membrane but animal have only cell membrane
Answer:
Pumping too much water too fast draws down the water in the aquifer and eventually causes a well to yield less and less water and even run dry. In fact, pumping your well too much can even cause your neighbor's well to run dry if you both are pumping from the same aquifer.
The blood-brain barrier functions to regulate the movement of materials from the blood to the brain (option A).
<h3>What is the blood-brain barrier?</h3>
The blood-brain barrier is a structure in the central nervous system (CNS) that keeps various substances found in the bloodstream out of the brain while allowing in the substances essential to metabolic function, e.g. oxygen.
The blood-brain barrier serves as a protective barrier for the brain that prevents the entry of substances in the bloodstream that can cause brain damage.
Therefore, the blood-brain barrier functions to regulate the movement of materials from the blood to the brain.
Learn more about blood-brain barrier at: brainly.com/question/9643165
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