organisation of the nervous system Flashcards
what is the brain
neurons enclosed in skull
what does the spinal cord do and where is it
connects to brain and enclosed in spinal cavity
what are nerves
bundles of neuronal axons
what is the ganglia
groups of cell bodies outside brain and spinal cord
what is the enteric plexuses
networks in digestive tract
what do sensory receptors do
monitor changes in internal or external environments
where do sensory receptors carry information to
brain and spinal cord
describe the somatic nervous system
sensory neurons in somatic receptors and motor neurons to skeletal muscle
describe the autonomic nervous system
sensory neurons from autonomic receptors and motor neurons to smooth muscle, cardiac muscle and glands
describe the enteric nervous system
sensory and motor neurons of the GI tract
