Synapses And Reflexes Flashcards
1
Q
What is a synapse?
A
A connection between 2 neurones
2
Q
How do synapses work?
A
Nerve signal transferred by chemicals which diffuse across the gap and onto next neurone
3
Q
What do Reflexes help do?
A
Prevent injury
4
Q
Describe reflexes?
A
Rapid, automatic responses to certain stimuli that don’t involve conscious brain
5
Q
Examples of reflexes?
A
-pupil gets smaller in bright light so less light get into eye
-body releases adrenaline automatically when shocked
6
Q
What is the passage of info in a reflex called?
A
A reflex arc
7
Q
Where do the reflex arcs go through?
A
The spinal cord or through unconscious part of the brain
