nervous system

Question 1

what do synapses do

Answer 1

diffuse electrical impulses from one neurone to another

Question 1

order of nervous system reacting to stimuli

Answer 1

receptor cell- sensory neurone- relay neurone -motor neurone-effector

Question 2

benefits of reflex arc

Answer 2

rapid

automatic

Question 3

role of iris

Answer 3

control how much light enters and exits eye

Question 4

role of lens

Answer 4

focus light

Question 5

role of pupils

Answer 5

control how much light goes to retina