Functions of Nervous System

recieve, process, respond

3 nervous system functions.

sensory, integration, motor

3 nervous system functions in feedback loop

afferent neurons, interneurons

2 Types of neurons

send, CNS

afferent neurons ______ info to ______.

within

interneurons send info ________ the CNS.

control system

nervous system is also known as the ________ _______.

not

passive ion channels do ____ require stimulus to open

leak channels

passive ion channels have ______ _________ that open and close randomly

specific

passive ion channels allow _______ ions through

require

active ion channels _______ stimulus to open

doors

active ion channels have opening and closing _______.

voltage gated, ligand gated

active ion channels include ____ ________ channels and ______ _________ channels.

change charges

voltage gated channels _______ _______.

chemicals, receptors

Ligand-gated channels have ________ that bind to ________.

dendrites

chemical gated channels are primarily found on ______ of the neuron

axon

voltage gated channels are primarily found on _______ of the neuron.

not, closed

In chemical gated channels, when the neurotransmitter is _____ bound to the receptor the channel is _____________.

bound, open

In chemical gated channels, when the neurotransmitter is ___________ to the receptor the channel is _____________.