During ______no stimulus of any strenght can trigger a new action potential

___________, such as cold medicine, enhance sympathetic activity; whereas _________, such as β blockers,  suppress sympathetic activity

Postganglionic fibers leave the ganglion by way of the unmyelinated______

Splanchnic nerves pass through the sympathetic ganglia without synapsing.  Instead the lead to second set of ganglia called_______

______ regulate the chemical environment and clears metabolic waste of the nervous tissue

Changes in cerebrospinal fluid pH are detected by 

Which of these organs does NOT have nociceptors?

_____is secreted by all preganglionic neurons in both divisions; Whereas____is only secreted by most sympathetic postganglionic fibers

Cerebrospinal fluid (CSF) is found where

Functions such as planning, motivation, and social judgment are associated with