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The Nervous System (Chapter 31)

Across
Carries thousands of signals between the nervous and central system
Photoreceptor that allows us to see color
Takes in light the lens focused
Message sent from you brain to your body causing organs in your body to react
changes thel distance of the eye
Control center for recognizing and analysis if you are hungry, thirsty ,tired ,angry, hot, or cold.
A brain injury caused by a blow to the head or shaking
part of the inner ear linked with small hairs and filled with a liquid substance.when the head moves, the substance moves the hairs
A nerve cell
interruption of blood supply resulting in damage to the brain from
is a structure that reacts to a stimulus
Instructs involuntary activities like (breathing, sneezing)
Receive impulses from other neuron and carry impulses to the cell body
A virus tag destroys nerve cells in the spinal cord causing paralysis
Down
Coordinates and balances the actions of the muscles
Light enters through
Signal that an organism responds to
Chemical that transmit an impulse across a synapse to another cell
Inside of the ear pinned with tiny hair cells
When an neuron transfers a impulse to a new cell
inflammation of the meninges.
A disorder as an infant from injury to the brain
consisting of the brain and spinal (part of nervous system)
Carries impulses away from the body
Responsible for voluntary activities (learning, intelligence, and judgment)
The impulses pathway
Photoreceptor that allows us to see black and white
small opening in the middle of the iris