nervous system Flashcards
1
Q
What passes along nerve cells?
A
Electrical impulses
2
Q
What is the gap between two neurones called?
A
Synapse
3
Q
What is released across a synapse?
A
Chemicals
4
Q
What are part of the central nervous system?
A
Brain and spinal cord
5
Q
What is the role of a receptor?
A
To detect a stimulus
6
Q
What is the role of a sensory neurone?
A
To transfer a signal from the receptor to the CNS
7
Q
What is the role of a motor neurone?
A
To transfer a signal form the CNS to an effector
8
Q
What is the role of a relay neurone?
A
To transfer a signal from the sensory neurone to a motor neurone
9
Q
What is a reflex?
A
An automatic response to a stimulus.
10
Q
Pathway of reflex arc?
A
Stimulus➔ Receptor➔ Sensory neurone➔ Relay neurone➔ motor neurone➔ effector➔ response
11
Q
What are the two main types of effectors?
A
Muscles and glands
