The Nervous System

The nervous system

HideShow resource information

The Autonomic Nervous System

The Autonomic Nervous System regulates the body's involuntary activities, and is divided into the sympathetic and parasympathetic systems.

Sympathetic System

  • Prepares body for action
  • Increases heart beat
  • Dilates arteries in skeletal muscles
  • Slows gut movement
  • Dilates bronchioles


1 of 2

  • Causes sweat glands to secrete
  • Causes hair to stand erect
  • Dilates pupil
  • Bladder and anal sphincters contract
2 of 2

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Human, animal and plant physiology resources »