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Tresset [83]
3 years ago
5

Dan drinks a cup or two of strong coffee in the morning to help him wake up and get rid of his sleepiness. According to the In F

ocus box: What You Really Want to Know About Sleep, the common stimulant drug in coffee, caffeine, blocks receptors for a naturally occurring compound in the body called _____, thus promoting wakefulness.
Health
1 answer:
Tju [1.3M]3 years ago
3 0

Answer:

Adenosine.

Explanation:

Adenosine is a neurotransmitter that is created in the brain and when it binds to the adenosine receptors, it slows down nerve activity and it creates a sensation of drowsiness.

<u>Caffeine</u> looks like adenosine to the receptors, therefore, when we have caffeine, <u>it binds to these receptors and there is no room left for the adenosine to bind</u>. However, the caffeine doesn't slow down nerve activity but, in the contrary, it speeds it up.

Therefore we can tell that caffeine blocks the receptors for the adenosine thus promoting wakefulness.

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