Maintaining a stable internal environment typically requires
A. an unstable outside environment.
B. negative feedback mechanisms.
C. positive feedback mechanisms.
D. decreased atmospheric pressure.
Answer: B
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A. inflammation B. formation C. reduction D. remodeling
In a(n) ________ synapse, there is a direct physical connection between cells.
Fill in the blank(s) with the appropriate word(s).
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A) ?10 percent B) ?20 percent C) ?30 percent D) ?40 percent
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