the nervous system Flashcards
1
Q
what’s part of the central nervous system?
A
. brain
.spinal cord
2
Q
how many sense organs are connected to the nervous system?
A
5
3
Q
what cells are sense organs made up of?
A
receptors
4
Q
what do receptors respond to?
A
a certain stimulus
5
Q
what do the receptors do?
A
collect information from outer surroundings and pass it through as electrical impulses along the neurons to the central nervous system
6
Q
what does the brain or the spinal cord do?
A
recieve information from the receptors, store the information or decide on a reaction to the stimulus
7
Q
what are reflex actions?
A
.protective
.automatic
.fast