week 9 #2 Flashcards
Endocrine system
sends hormones in bloodstream( receptors )
Action potential
brief reversal in the voltage
Autonomic nervous system
Nerves that signals go to internal organs and to glands
Reflex
Automatic response to a stimulus
a nerve signal is transmitted from one cell to the next across a junction?
synapse
when neuron pumps to maintain higher NA+ outside then inside?
resting membrane potential
the signal sent by a cell of a nervous system is actually a ?
wave of depolarization of membrane
autonomic system
maintains homeostasis by involuntary response
give example of somatic /voluntary system
person moves his leg takes a step
peptide hormones
binds to receptors on cell membrane
2nd messenger
amplify signal delivered by hormones
what causes endocrine glands to produce their own hormone
pituitary glands
