"The tank resembles the ones they show on the news when talking about war in the Middle East. It’s the size of two Hummers. The blue-and-white lights on the front make the street almost as bright as it is in daytime. An officer is positioned on top, wearing a vest and a helmet. He points his rifle ahead."
Answer: Imagery of various types has been shown to affect heart rate, blood pressure, respiratory patterns, oxygen consumption, carbon dioxide elimination, brain wave rhythms and patterns,
