Term

Sensation

Definition

the process by which organs gather info about the environment and transmit it to the brain for initial processing

Term

Perception

Definition

The brain selects, organises and interprets sensations

Term

Name the key anatomy of the eye

Definition

Cornea - tough transparent tissue covering the eye to protect from damage. Light passes through a small area of clear fluid. Equus humor - clear fluid where light passes through Pupil iris - muscles contract or expand (dilate or constrict) to control the amount of light entering the eye. lens - light is focused here into the retina retina - contains necessary receptors to transmute light into neural impulses subsection of retina are rods and cones