___________ _____ is a chain of ganglia located on either side of the spinal cord
____________ (__________) _______ are individual ganglia that are not associated w/ sympathetic trunk
prevertebral (collateral) ganglia
__________ _____ are modified sympathetic postganglionic neurons that lack dendrites and axons
these cells release hormones into the blood rather than extending to another organ
chromaffin cells release a mixture of catecholamin hormones- 80% ___________, 20% ______________, & trance amount of ________
epinephrine, norepinephrine, dopamine
parasympathetic nervous system dominates the sympathetic nervous system during periods of ____ & ______
rest & digest
what 4 responses are caused from activation of the parasympathetic nervous system?
contraction of circular smooth muscle, relaxation of radial smooth muscle; relaxation of cardiac muscle; reduced breathing rate & increased contraction of smooth muscle in walls of bronchi & bronchioles of lungs; increased digestive system activity
sympathetic nervous system prepares the body for _________ __________
activation of the sympathetic nervous sytem causes the "_____-__-______ ________"
what 6 responses are caused from the activation of the sympathetic nervous system?
relaxation of circular smooth muscle & contraction of radial smooth muscle; contraction of cardiac muscle; relaxation of smooth muscle of bronchi & bronchioles of the lungs; relaxation of smooth muscle in walls of blood vessels; contraction of smooth muscle in wall of blood vessels; relaxation of smooth muscle in wall of urinary bladder