Answer:
sympathetic
Step-by-step explanation:
The sympathetic nervous system is defined as one of the different parts of the autonomic nervous system and is responsible for directing the rapid & involuntary responses of an individual's body in any stressful or dangerous situations. A rapid flood of an individual's body hormones is boosting up the body's heart rate & alertness, therefore, sending an extra amount of blood to the body's muscles.
In reference to the question, May's sympathetic nervous system has been activated by the given experience.