Answer :
The correct answer is d. iris
Simply put, it is the black hole in the middle of your eye. If there is a lot of light then it becomes smaller and if there is little light its size increases.
Simply put, it is the black hole in the middle of your eye. If there is a lot of light then it becomes smaller and if there is little light its size increases.
Answer:
The correct answer would be c. pupil.
Pupil refers to the adjustable opening present at the center of the iris.
It appears as a black hole present at the center of the eye through which light is passed into the eye.
The iris is muscular and contractile structure present around the pupil.
The pupil regulates or controls the amount of light entering the eye with the help of iris.
Iris through its contractile nature regulates the size of the pupil and thus, it controls the amount the light passing through the eye.