cfu june 22

pupils

iris

lenses

retina

The pupil is not as colorful as the iris.

The pupil is the black part in the center of the eye.

When is is very bright and sunny, the pupil shrinks to let less light in.

The iris is the colorful part of the eye that surrounds the pupil.

to see the pupil change sizes

to understand the color of our iris

to explain the optic nerve sending messages

we see because light is reflected from our eyes

the nerves

the heart

the brain

spinal cord

optic nerve

pupil

retina

cornea