Question

What is iris !!!!!!explain ​

Answer 1

HERE IS YOUR ANSWER:

In humans and most mammals and birds, the iris is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount. of light reaching the retina. Eye color is defined by that of the iris.

Answer 2

Answer:

• The Pupil is a tiny hole in the middle of the coloured diaphragm called Iris just behind the cornea.
• the colour of the iris differ from person to person.
• it may be brown, green, blue, black etc.
• It is Brown or black in case of majority of Indians.
• the muscles of iris controls the opening of Pupil In response to the brightness of surrounding light.
• the Iris of eyes helps to protect the sensitive retina.
• the Iris constricts The Pupil to cut off access light in bright light.