Why the Iris of all animals and humans are not black?

Asked by Rohit | 26th Oct, 2012, 06:11: PM

Expert Answer:

iris of all animals dont let the light come in, their colour depends on individual. they are not necessary to be black

Answered by  | 26th Oct, 2012, 11:29: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.