The structure and function of the nervous systen Flashcards
What is the nervous system made up of?
The CNS and the PNS
What is the CNS?
The central nervous system
What is the CNS made up of?
The brain and The spinal cord
What does the nervous system collect and respond to?
Information in the environment
What does the nervous system control?
The working of different organs and cells including the brain
What does the PNS stand for?
The peripheral nervous system
What is the PNS made up of?
The ANS and the SNS
What does the ANS stand for?
The autonomic nervous system
What makes up the ANS?
Sympathetic division and Parasympathetic division
What does the SNS stand for?
The somatic nervous system
What is the autonomic system responsible for?
Things such as pupil dilation and heart rate change. Anything which is an automatic body response
What actions does the autonomic nervous system control?
Involuntary actions
What actions does the somatic nervous system control?
Voluntary actions
What is an example of a voluntary action?
Muscle contraction
