B3.1.2 - Reflexes Flashcards
1
Q
What are reflex actions?
A
They are involuntary actions
2
Q
How long do reflex actions take?
A
0.2 seconds
3
Q
What is the flow diagram for a reflex action?
A
Stimulus -> Receptor -> Sensory Neurone -> Spinal Cord -> Motor Neurone -> Effector -> Response
4
Q
What happens if sand blows into your eyes?
A
Muscles in eyelids contract, making you blink
5
Q
What happens if you cut your hand on glass?
A
The bicep contracts, pulling your arm away from it
