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Caffeine increases the activity of this system in your body.

1. Cardiovascular system
2. Respiratory system
3. Central nervous system
4. Circulatory system

Answer

The correct answer is C) Central nervous system.

More General Knowledge questions

• This quality is attributed to coffee.
• Caffeines effects as a stimulant peak this long after intake.
• Studies have found that coffee may reduce the risk of this disease.
• Brewed coffee contains this amount of calories per cup.
• Coffee is a good source of this mineral.
• Coffee has a negative effect on this.

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