1. Cells that are triggered by light, vibrations, sounds,touch, or chemical substances are called ________.
ganglioncells
bipolarcells
ossicles
sensoryreceptors
2. When light waves enter the eye, theyfirst pass through the _________________.
iris
lens
pupil
cornea
3. Bundles of axons from ganglion cells makeup the ______.
fovea
opticnerve
opticschism
rods andcones
4. The place in the retina where the axonsof all the ganglion cells come together to leave the eye is calledthe ______.
fovea
blind spot
opticchiasm
opticnerve
5. The outer ear is called the_______________.
pinna
ovalwindow
tympanicmembrane
cochlea
6. The colored part of the eye that containsmuscles to contract or expand the pupil is the ______.
lens
iris
fovea
cornea