Automatic Nervous System

1
Automatic Nervous System

• Alie Fulton

2
ANS

• Part of the PNS (peripheral nervous system).
• Serves the internal organs and glands of the
  body.
• It controls the automatic movements, such as
  heart rate, digestion, and perspiration.

3

• The ANS can be divided into the sympathetic and
  parasympathetic branches. Both are related to
  emotional responses, such as crying, sweating,
  heart rate, and other involuntary behavior.

4
Sympathetic and Parasympathetic Branches

• Sympathetic-emergency system. It prepares the
  body for fight or flight during times of danger
  or high emotion
• Parasympathetic- quiets the body and returns it
  to a lower level of arousal. It is most active
  soon after an emotional event