Question

When her son fails to arrive home as expected, elena fears he has been in an accident. both her heart and respiration rate remain elevated until she sees him come safely through the door. her body soon returns to normal due to the action of her ________ nervous system?

Answer 1

autonomic nervous system is divided into parasympathetic nervous system and sympathetic nervous system. sympathetic nervous system prepares the body for an emergency while parasympathetic nervous system restores the normal conditions of our body. so your answer will be parasympathetic nervous system.
hope it helps!