Identify two pros and two cons of your flowchart model. 1. Tom’s brain makes a voluntary decision to walk into the haunted house. His brain communicates this message to his skeletal muscles, so he can step inside.

2. Tom’s sympathetic nervous system causes a fight or flight response, resulting in his increased heart rate and breathing.

3. Tom is startled when a costumed character jumps out at him. His reaction is a reflex caused by his nervous system.

4. Tom’s brain makes a voluntary decision to run out of the haunted house. His brain communicates this message to his skeletal muscles.

Do you think a flowchart is the best way to explain how the nervous system works to someone who’s unfamiliar with the concept? Explain your answer.