#RFB-11000832Reading: Fill in the BlanksAcademic,CoreEasy
Caffeine
Official Question Material
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Whether it's your morning espresso or an energy drink at the gym, caffeine might be such an integral part of your [blank] that you don't stop to think that it's actually a psychostimulant - a drug that acts on the brain. Specifically, caffeine [blank] to block the brain chemical adenosine, which usually serves to [blank] us down physiologically, such as by lowering our blood pressure and [blank] our breathing.
Sample Answer & Audio Transcript
Whether it's your morning espresso or an energy drink at the gym, caffeine might be such an integral part of your routine that you don't stop to think that it's actually a psychostimulant - a drug that acts on the brain. Specifically, caffeine acts to block the brain chemical adenosine, which usually serves to calm us down physiologically, such as by lowering our blood pressure and slowing our breathing.
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