3.7 nervous system

Question 1

function of synapse

Answer 1

single impulse along one neurone can be transmitted to a number of diff neurons at 1 synapse- allows a number of simultaneous responses

Question 2

function of synapse

Answer 2

number of impulses can be combined at a synapse- allows stimuli from diff receptors to interact to produce a single response

Question 3

features of synapse

Answer 3

unidirectional

Question 4

features of synpase

Answer 4

spacial summation- number of diff presynaptic neurone together release enough neurotransmitter to exceed threshold value of post synaptic neurone

Question 5

features of synapse

Answer 5

temporal summation- single presynaptic neurone releases enough neurotransmitter many times over a short period. If total amount exceeds threshold value of postsynaptic neurone, then new action potential triggered.

Question 6

reflex definition

Answer 6

rapid response to a stimulus that is involuntary/automatic and protective in function