Watch the following video to find out the response of the pupil to bright and dim light.
Answer the following questions. Please answer in complete sentences.
In Bright Light
1. What happens to the pupil size when bright light is shone to the pupil size?
2. Which two sets of muscles control the size of the pupil?
3. Describe how the two sets of muscles work together to vary the pupil size in response to bright light.
In Dim Light
4. What happens to the pupil size when light is removed?
5. Describe how the two sets of muscles work together to vary the pupil size in response to dim light.