Somatic Nervous System Vs Autonomic Nervous System Flashcards
SNS and ANS include both
Sensory and motor neurons
SNS and ANS are part of the
PNS
What does the SNS always do
Excites its effectors
What does the ANS do
Either excites or inhibits visceral effectors
What controls contraction of skeletal muscles
SNS
What controls contraction of smooth muscle, cardiac muscle and glands
ANS
Can ANS responses be consciously altered to any great degree
They cannot
What are some examples of automatic motor response.
Dilation and construction of blood vessels, adjustment of heart rate, dilates in the diameter of the pupils and adjustment of breathing rates as you fall asleep
The axons of somatic motor neurons extend from
The CNS directly with an effector
Most autonomic motor pathways consist of two motor neurons
- Preganglionic neuron 2. Postganglionic neuron
Adrenergic is
Most sympathetic postganglionic neurons