Instructions: Identify the Following

question 62

Essay

Instructions: Identify the following. Be as specific as possible, and include names, dates, and relevant facts as appropriate. Be sure to explain the significance of the person or term.
John C. Calhoun, South Carolina Exposition and Protest

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Definitions:

Retina

The light-sensitive layer of tissue at the back of the inner eye, which converts light rays into nerve signals that are sent to the brain to create visual images.

Optic Nerve

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

Sympathetic Branch

Part of the autonomic nervous system that activates the fight or flight response, responsible for increasing heart rate, blood pressure, and energy mobilization.

Autonomic Nervous System

The part of the nervous system that controls involuntary actions of the body, including heart rate, digestion, and respiratory rate.