3.1 Divisions of the Nervous System and Parts of the Brain Flashcards
The nervous system can be divided into…
The CNS and the PNS
The CNS consists of…
The brain and spinal cord
The PNS consists of…
The Somatic Nervous System and the Autonomic Nervous System
The somatic nervous system contains…
Sensory and motor neurons
Sensory neurons take impulses from … to the …
> Sense organs
CNS
Motor neurons take impulses from … to …
> CNS
Muscles and glands
The autonomic nervous system works…
Automatically
Which part of the brain regulates the actions of the autonomic nervous system?
The medulla
What two systems make up the the ANS?
> Sympathetic
Parasympathetic
What is meant by the term ‘antagonistic’?
Exerting opposing influences
The sympathetic system…
> speeds up heart rate
speeds up breathing rate
slows down peristalsis
slows down intestinal secretions
The parasympathetic system…
> slows down heart rate
slows down breathing rate
speeds up peristalsis
speeds up intestinal secretions
