Chapter 12 Flashcards
Central nervous system includes:
Brain & Spinal cord
Peripheral Nervous system includes:
Nerves & Ganglia
What are nerves?
Bundles of neuron processes
what are ganglia?
clusters of neuron cell bodies
nervous system functional organization
sensory nervous system & motor nervous system
Sensory nervous system
detects stimuli and transmits information to the CNS
Motor nervous system
initiates and transmits information from the CNS to effectors
Sub-units of Sensory nervous system
somatic sensory & visceral sensory
Somatic sensory
sensory input consciously perceived (ears, skin, eyes)
Visceral sensory
sensory input unconsciously perceived from blood vessels and internal organs
sub-units of motor nervous system
somatic motor & autonomic motor
somatic motor
voluntary/ conscious
autonomic motor
involuntary/ unconscious
sensory nervous system also known as:
afferent nervous system
