Autonomic functions

Autonomic functions are processes controlled by the autonomic nervous system. The ANS affects:


 * Diameter of the pupils,
 * Digestion,
 * Heart rate,
 * Micturition (urination),
 * Perspiration,
 * Respiration rate,
 * Salivation,   and
 * Sexual arousal.

Whereas most of its actions are involuntary, some, such as breathing, work in tandem with the conscious mind.