Final answer:
Alcohol acts as a depressant, increasing GABA levels and slowing down mental processes and physical coordination.
Explanation:
Alcohol has a sedative effect because it acts as a depressant, slowing down the body's physiology and mental processes. It increases the neurotransmitter GABA, which leads to a calming effect, lowering levels of alertness and behavioral control. As ethyl alcohol travels to the central nervous system, it impairs reaction time, coordination, and speech, resulting in sedation and decreased motor skills.
Learn more about Alcohol's Sedative Effect here:
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