They are hollow so light can pass through to the retina, so you can see. The pupil is the opening in the iris. To ask why the eyes' pupils are hollow is analogous to asking why a donut hole is hollow.
Pupil's The pupil's mother came to school.
The black circle in the middle of the iris in your eye is called a pupil. It dilates to adjust with sunlight.
The pupil is the lack of Iris, or in other words, a hole.Of course there is a hole but what people see as the pupil is the transparent cornea. There is no hole into the eye.
A homograph for "pupil" is "pupil," which can also refer to the small, dark hole in the center of the eye.
The pupil allows light to enter the eye.
The word pupil is a common singular noun. It requires no apostrophe.The pupil looked bored.If the word pupil has a possession or belonging, it needs an apostrophe.The pupil's questions challenged me.The principal was amazed at the pupil's insightful questions.
Yes, a student is a pupil.
the pupil is in the classroom
Yes, pupil is a common noun, a general word for any pupil anywhere.
The Pupil was created in 1891-03.
There are many ways to compare the shape of the pupil in a dissected eye with our own pupil. One is to examine general diameter.