The cornea lets light enter the eye., The iris controls how much light enters the eye., The pupil is the opening where light enters the eye., The lens helps focus light on the retina., The retina detects light., The optic nerve sends information to the brain., The brain processes the information.

per en/la

Tauler de classificació

Estil visual

Opcions

Canvia de fonament

Restaurar desada automàtica: ?