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Nervous System/Eye

Review of the Nervous System/Eye structures and functions

QuestionAnswer
The system that sends out information about activities within the body Nervous System
Another name for a nerve cell is neuron
structures that pass signals FROM the brain are called motor neurons
structures that pass signals TO the brain are called sensory neurons
the structure of the brain that coordinates the actions of the muscles and maintains balance is called the cerebellum
the structure of the brain that controls area of movement, senses, memory, thinking, and emotions cerebrum
the structure that connects the brain with the rest of the nervous system; carries signals to and from the brain spinal cord
the CENTRAL NERVOUS SYSTEM (CNS) is made of which two structures brain and spinalcord
an involuntary reaction to a stimulus reflex
______________ are the parts of the neurons that send messages away from the cell body axons
this disorder causes the nervous system brain cells to stop communicating with each other causing memory loss Alzheimers Disease
The levels of organization in order from the simplest unit to the most complex would be: neuron, nerve, _______________, nervous system brain
five layered transparent outer coating of the eyeball cornea
layer on the back of the eyeball that contains specialized neurons that perceive color retina
6 muscles that work together to control eye movement optic muscles
transparent jelly-like substance inside your eyeball that helps give your eyeball its shape vitreous humor
colored part of the eye that controls the size of the pupil iris
nerve that carries light frequencies and information to the brain optic nerve
transparent disk in the middle of the eye that focuses the light on the retina lens
Created by: LSumrall72
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