Eye

Question 1

What happens to your pupil when you are in a dark room?

Answer 1

Pupil becomes larger - it allows more light to enter

Question 2

What happens to your pupil when you are in a bright room?

Answer 2

Pupil becomes smaller - reduces amount of light entering the eye and also protecting it

Question 3

Cornea function

Answer 3

Lets light into the eye and focuses on the light rays

Question 4

Iris (coloured part of the eye) function

Answer 4

Controls the size of the pupil

Question 5

Lens function

Answer 5

Focus the light rays onto the back of the eye

Question 6

What is a key feature of the lens

Answer 6

Can change its shape which allows us to focus on distant / near objects (accomodation)

Question 7

Retina function

Answer 7

Contains receptor cells for light which detects light intensity and light colour

Question 8

Sclera function

Answer 8

Tough outer structure that protects the eye

Question 9

Pupil function

Answer 9

The hole which light enters the eye through

Question 10

Optic Nerve function

Answer 10

Carries impulses from the brain from the retina

Question 11

Ciliary body function

Answer 11

Contracts to change the shape of the lens

Question 12

Suspensory ligaments function

Answer 12

Holds the lens in place

Question 13

What type of organ is the eye

Answer 13

A sense organ