While Steffie Was Home Alone Washing Dishes in the Kitchen,she

While Steffie was home alone washing dishes in the kitchen,she heard loud banging sounds and people talking outside.The sounds were coming from the front door.As she approached the door she could tell that whoever was outside was trying to get in.They were turning the door knob and forcefully pushing on the door.Explain how Steffie's autonomic nervous system will react in this situation,and describe the physiological and brain changes she will experience as she tries to protect herself.How will her body respond once the threat is over.