Reflexes And Eyes Flashcards
1
Q
What is a reflex
A
An automatic response to a stimulus
2
Q
What is a reflex arc
A
A nerve pathway which makes fast responses possible
3
Q
What happens to the pupil when there is bright light
A
The pupil contracts, this reduces the amount of light entering the eye, protecting the retina
4
Q
What happens to the pupil when there is little light
A
It dilates to try and let as much light in as possible
