The opening in the eye which allows light to pass through is called the pupil.
The iris has an opening, called the pupil, through which light enters the eye.
An opening in a wall is typically called a doorway or an entrance. It can also be referred to as a portal or an aperture.
The dark hole in the center of your eye is called the pupil. It is an opening that allows light to enter the eye and reach the retina at the back of the eye. The size of the pupil can change in response to varying levels of light.
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.
A dime-sized opening in the skull to access the brain is called a burr hole. It is a common neurosurgical procedure used to relieve intracranial pressure, drain fluid, or obtain a biopsy.
The hole in a needle is called an eye. The eye of the needle is where you pull the thread through.a hole
The iris has an opening, called the pupil, through which light enters the eye.
The tiny hole in the middle of your eye is called the pupil. It is the opening that allows light to enter the eye and reach the retina, which then sends signals to the brain to create visual images. The size of the pupil can change in response to different lighting conditions to regulate the amount of light that enters the eye.
the eye
The hole in a needle is called the "eye." This small opening allows the thread to pass through, enabling stitching and sewing. The size of the eye can vary depending on the type of needle and its intended use.
The hole on top of a needle is called the eye. It is where the thread passes through when sewing.
An opening in a wall is typically called a doorway or an entrance. It can also be referred to as a portal or an aperture.
It is called the eye of the needle
The dark hole in the center of your eye is called the pupil. It is an opening that allows light to enter the eye and reach the retina at the back of the eye. The size of the pupil can change in response to varying levels of light.
....you answered your own question - it's called "threading a needle".
It is called the eye of the needle
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.