False. Both portions or phases of a n exercise program are most important for injury prevention. Warm-ups condition the body and mind for the task at hand, while cool-down brings the body back to its normal/homeostatic conditions inhibiting it to rest at gradual rates.
the pituitary gland is located at the base of the brain and produces hormones that allow different bodily functions to happen. for this question, your answer would be the last one.
The fight-or-flight response (also called the stress response) is a physiological reaction that occurs in response to a perceived threat or danger. This enables the body to take action quickly, and is intended to keep us out of (physical) harm's way.
hope this helps :p