Exposition: Explains things before the story began and often provides background info on characters!
Rising Action: Plot begins to complicate and twist and Reveals point of view
Falling Action: Occurs after the climax and conflicts begins to be worked out and tensions lesson
Answer: B) sympathetic nervous system
Explanation: The sympathetic nervous system is a section of the automatic nervous system in the body that reacts to stressful or dangerous situations by stimulating the fight-flight-or-freeze response. This causes the body's alertness to increase as well as increase in the rate of heartbeat.
Some of the visible symptoms includes Hypertension, Agitation. Muscle rigidity, Heavy breathing etc.
The fact that the individual didn't study for the exam he or she is writing puts the individual in a stressful position, that is why his or her sympathetic nervous system kicked in to stimulate the body's fight-flight-or-freeze response, causing the individual's rate of heart beat to increase as well as having dry mouth.
China’s attempt to suppress the illegal opium trade , which had led to widespread addiction in China and was causing serious social and economic disruption.