Confused and have questions? We’ve got answers.
With Chegg Study
, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors
From Biology-Online Dictionary | Biology-Online Dictionary
Pertaining to a division of the autonomic nervous system.
See: autonomic nervous system.
Originates in the brain stem and lower part of the spinal cord; opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions; slows the heart; constricts the pupils; dilates blood vessels.