Eyes and Sight
Eyes and Sight
General Senses
Nervous System
Nervous System
100
This part of the eye allows one to focus
What is the lens
100
Seeing in color requires these cells
What are cones
100
This sense uses chemoreceptors
What is smell, taste
100
This includes the brain and the spinal cord
What is the central nervous system
100
These are the supporting cells of the nervous system
What are glial cells
200
This nerve transmits information from the retina to the brain
What is the optic nerve
200
This is the colored portion of the eye
What is the iris
200
Mechanoreceptors are part of this sense
What is touch
200
This is the voluntary portion of the PNS
What is the somatic nervous system
200
These portions of the neuron transmit information away from the cell body
What are axons
300
This fluid fills the anterior chamber of the eye
What is aqueous humor
300
The sclera is this part of the eye
What is the white part
300
The less receptors you have on your skin, the less what it is
What is sensitive
300
The heartbeat would fall under this division of the PNS
What is autonomic
300
This is the fatty insulation that coats axons
What is myelin
400
This is the vascular layer of the eye
What is the choroid
400
This is the nervous tissue of the eye
What is the retina
400
This is the portion in the brain where the nerves responsible for sight cross
What is the optic chiasm
400
The CNS contains these types of neurons
What are interneurons
400
White matter in the brain is made up of this neuron part
What are axons (myelinated)
500
When the cells of the retina are overstimulated and lose sensitivity, the formation of what occurs?
What is an afterimage
500
By controlling the flow of these, photoreceptor cells can adapt to either dark or light vision
What are ion channels
500
Gustatory receptor cells are found on this location in the body
What is the tongue
500
The initial negative state of a neuron is referred to as this
What is the resting membrane potential
500
This is the name for the electrical impulse generated by the neuron
What is the action potential
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