Which of the following statements is/are true about Iris?
1. Iris is the colored part that we see in an eye.
2. In low light condition, the Iris expands the pupil.
3. in good light condition, the Iris contracts the pupil.
Choose the correct code:
1
Only 2 and 3
2
Only 1 and 2
3
Only 1
4
1, 2 and 3 only