PRACTICAL 2 NERVOUS SYSTEM Flashcards
1
Q
What is the blind spot?
A
An area on the retina, just on top of the optic nerve that serves to protect the nerve from potentially damaging light rays. It contains no photoreceptors, consequently no image can be formed on the blind spot
2
Q
A
because the blind spots in each eye is located at a different place in such a way that when the brain perceives the image is cancels off the effects of the blind spots
3
Q
What is the accommodation?
-
A
The process in which the lens stretches and relaxes in order to focus on an object at different distances.
