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An action potential refers to the traveling of a nerve impulse along the

(20 pt') - question #215

Acetylcholine, epinephrine, dopamine, and histamine are

(20 pt') - question #191

Body cells specialized to carry and process information are called

(20 pt') - question #203

After successfully running from the large, snarling, drooling grizzly bear that was running directly toward you, you pause to catch your breath and collect your wits. The physical symptoms you now experience are controlled by the

(20 pt') - question #195

The "emergency" part of the nervous system that prepares the body for "fight or flight" is the __________ branch.

(20 pt') - question #207