THE NERVOUS SYSTEM Flashcards
1
Q
What is a relay neurone?
A
The nerve cells that carry signals from sensory neurones to motor neurones
2
Q
What are reflexes?
A
reflexes are automatic responses to stimuli
3
Q
What is a stimulus?
A
a change in your environment, that you may need to react to
4
Q
What are your 5 different sense organs?
A
eyes, ears, nose, tongue and skin.
5
Q
What are receptors?
A
groups of cells which are sensitive to a stimulus
6
Q
Examples of a stimulus
A
light, sound, touch, pressure, pain, chemical etc…
7
Q
What is a synapse?
A
the connection between two neurones
8
Q
What does your body do if you get a shock?
A
automatically release the hormone adrenaline
