Question

what is Iris.
in what is the function of rod and cone cells.

Answer 1

Cone cell. Cone cells, or cones, are one of three types of photoreceptorcells in the retina of mammalian eyes (e.g. the human eye). They are responsible for color vision andfunction best in relatively bright light, as opposed to rod cells, which work better in dim light.

Answer 2

$hey \: dear \: here \: is \: your \: answer$

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✯IRIS : it is colourful diagram which gives the beauty and also adjust the size of Pupil according to the amount of light.
when the amount of light is more than decrease the size of pupil so that a less amount of light enter into our eye.
when the amount of light is less then it increase the size of pupil so that a sufficient amount of light enter into our eyes.

✯FUNCTIAON OF ROD AND CONE CELLS : these cells are found in the retina. rod cells sense the dim light and cone cells sense the the bright light as well as colours.

↪ some animals such as owl and bat etc, contain a large number of rod cells into the retina so they can see easily in the night rather than day time, such animals known as ɴᴏᴇᴛᴜʀɴᴀʟ ᴀɴɪᴍᴀʟ.

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$hope \: this \: helps \: u \: dear$
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