draw a neat labelled diagram of the human eye and mention the functions of any four parts
Answers
Answer:
Cornea.
Cornea is a outermost part of the eyes . It is transparent part of the eyes and allowed the light to enter in the eyes
Iris
Iris is a circular dark diaphragm having a hole in IT Centre this whole is a called to Pupil the circular dark die from has muscles and coloured pigment the colour of an ice depends upon the colour of this pigment the function of file is used to control the size of the people on the other hand people control the regulate the light inter the people become small when bright light falls on the eyes however it become wide when there is dim light
Lens
the Eyes lens is a crystalline double convex lens made of transparent and flexible tissue it is behind the people and held by muscles called ciliary muscles each focus the image of object on the retina of the eye
Ciliary Muscles
these muscles hold the Eyes lens is a position ciliary muscles control the focus lens of the eye lens which then these muscles contract then the lens become thin and the focal length of the lens decrease on the other hand when ciliary muscles are flexible than the lens become thin and the focal length of the lens increase