When we see something, the image is formed on the _______ of our eye.
retina
Light enters through the _________ of our eye
pupil
The size of the pupil is controlled by the ?
iris
When we see an object, the image is ________ on our retina.
inverted (or upside down)
The _______ focusses the image on the
lens
The retina is lined with cells called … ?
photoreceptors
The two types of photo receptors are called?
rods and cones
When light hits the photoreceptors on our retina a __________ reaction takes place
chemical
The photoreceptors send an electrical impulse along the _______ ________ to the brain.
optic nerve
One of the simplest cameras is called a ________ camera
pinhole
The image in a pinhole camera is formed on…?
a screen
An image formed on a screen is a ______ image
real
One of the simplest cameras is called a ________ camera
pinhole
