C, static posture means repeating the same posture over and over again, eventually resulting in static posture
Your answer is simply the sympathetic nervous system
Definition-The sympathetic nervous system (SNS) is part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The sympathetic nervous system activates what is often termed the fight or flight response.
Stay on task, late work stacks up fast. Don't be afraid to ask questions. Don't wait to study until right before the test, spread out studying throughout the unit. From someone taking two AP classes, they aren't easy but with hard work, they are worth it in the end.