Question

The diagram shows the iris of an eye in two different light conditions, A and B
I)Describe what happens in the eye when the light condition changes from A to B
ii) Explain why it is important that the changes in the eyes occur quickly when the light condition changes from B to A​

Answer 1

Answer:

I). the iris control the light intencity passing in eye.

when light is less the iris is enlarged

when light is more the iris become small narrow

2)it is important because it avoids the damage of retina

more light intencity damage retina

Explanation:

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