Complete Each of the Following Statments

question 122

Short Answer

Complete each of the following statments.
One presynaptic neuron can only produce ____________________ summation on a postsynaptic neuron.

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Definitions:

Optic Nerve

A paired nerve that transmits visual information from the retina to the brain.

Retina

The light-sensitive layer at the back of the eye that converts light into neural signals that the brain interprets as visual images.

Pupil

The black circular opening in the center of the iris of the eye, which regulates the amount of light that enters the eye.

Iris

The colored ring of muscle that surrounds the pupil of the eye, controlling the size of the pupil and the amount of light that enters.