Matilda Was Walking Through the Woods When She Saw a Speckled

Multiple Choice

Matilda was walking through the woods when she saw a speckled snake slither by.Immediately,her heart rate increased,her breathing quickened,and she started to perspire.When the snake was out of sight,she began to calm down; her breathing and heart rate returned to normal,and she no longer perspired.This calming down is the result of the _________.

A) sympathetic nervous system
B) parasympathetic nervous system
C) endocrine system
D) cortex