1. Chemical Action of Caffeine (As a receptor antagonist) CHEM201 Group 5

2. http://upload.wikimedia.org/wikipedia/commons/thumb/5/53/Caffeine_and_adenosine.svg/800px-Caffeine_and_adenosine.svg.png 5/31/2009 Similar chemical struct = mimicking behavior

4. Receptor CAF With Caffeine Caffeine blocks adenosine from the receptors that would slow the body down and signals the release of adrenaline instead. ADE