The autonomic nervous system

Question 1

the PNS

Answer 1

a component of the nervous system that extends outside the central nervous system (CNS)

Question 2

what is sympathetic nervous system invovled?

Answer 2

dilation of pupils
salivation (weak stimulation)
Secretion of sweat
relaxation of bronchi
heart rate ↑

Question 3

what is the parasympathetic

Answer 3

contraction of pupils
salivation (strong stimulation)
constriction of bronchi

Question 4

parasympathetic response

Answer 4

2 neuron chain
preganglionic neuron is in the craniosacral parts of the spinal cord and brainstem sends its preganglionic fiber out to find its postganglionic neuron