Examlex
When we think of the eye as the camera to the world, the photosensitive surface is called the lens, which contains photoreceptors called rods and cones.
Neuron
The fundamental unit of the nervous system, responsible for transmitting information through electrical and chemical signals.
Nervous System
The complex network of nerve cells and fibers that transmits nerve impulses between parts of the body, overseeing both voluntary actions and involuntary responses.
Axon
A nerve fiber that conducts electrical impulses away from the neuron's cell body, facilitating communication with other neurons or muscles.
Myelin Sheath
A fatty layer that surrounds nerve fibers, aiding in the rapid transmission of electrical signals.
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