The pupil is the dark opening in the centre of the iris. Light passes into the eye through the pupil. In bright light, muscles in the iris cause the pupil to become smaller, so that less light enter...
Assuming you're talking about the eyes. My understand is that the pupils act much like the light mechanism that a camera has. When there is too much light, the pupils grow smaller, sometimes as small...
if you did not have a pupil you wouldn't be able to see light. see light enters as the pupil gets smaller which allows more and more light to come in. and when the pupil gets bigger, then i woul say...
Pupils is the plural of pupil.for instance " The school has many pupils".Pupil's is used to describe ownership of an item(s) which belongs to a pupil."The pupil's satchel was left hanging on the...