The Nervous System Flashcards
0
Q
Give examples of a stimulus.
A
Light, sound, touch, pressure, pain or change in temperature.
1
Q
What are the five sense organs?
A
Eyes, Ears, Nose, Tongue and Skin
2
Q
What is a sensory neurone?
A
Nerve cells that carry electrical impulses from receptors to the central nervous system.
3
Q
What is a relay neurone?
A
Nerve cells that carry signals from sensory neurones to motor neurones.
4
Q
What is a motor neurone?
A
Nerve cells that carry signals from the central nervous system to the effector muscles.
5
Q
What is an effector?
A
A muscle or gland.
7
Q
What does the central nervous system consist of?
A
The brain and spinal cord.
8
Q
A Synapse is a connection between two..?
A
Neurones
9
Q
What is a Reflex Arc?
A
The passage of information from a receptor to an effector.
