What is the function of iris and pupil?

Related questions

1. How close can eyes focus?
2. What happens when ciliary muscles relax?
3. What is the opening of the eye called?
4. What are the 3 layers of the eye?
5. What happens when waves of light enter your eye?
6. What are the 3 tunics of the eye?
7. What are the main structures of the human eye?
8. Are your eyes connected?
9. What are the 3 coats of the eye?
10. How does light travel through the retina?

Tags

1. #whole
2. #smaller
3. #dilates
4. #reflex
5. #called
6. #person
7. #pupillary
8. #light
9. #noticed
10. #probably
11. #amount
12. #bigger
13. #contracts
14. #pupil
15. #involuntarily
16. #bright
17. #changes
18. #pupils
19. #control