Nervous System

specialized cells of the nervous system that carry messages from your body to the brain

a bundle of nerve fibers

a change or signal in the environment that can make an organism react

an autonomic response

the part of a neuron that carries impulses toward the neuron’s cell body

the part of a neuron that carries impulses away from the cell body

the junction where one neuron can transfer an impulse to another structure

nerve impulses travel between neurons by the movement of chemicals

the fatty layer that usually covers an axon

a neuron that picks up stimuli from the internal or external environment and converts a stimulus into a nerve impulse

a neuron that sends an impulse to a muscle or gland

a neuron that carries nerve impulses from sensory neurons to motor neurons

chemicals traveling to the dendrites of thee next neuron and stimulate it to produce a new electrical nerve impulse

an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons

division of nervous system consisting of the brain and spinal cord

division of the nervous system consisting of all of the nerves located outside the central nervous system

the group of nerves in the peripheral nervous system that control involuntary actions

a group of nerves in the peripheral nervous system that control voluntary actions

part of the brain that intercepts input from senses, controls movements, and carries out complex mental processes

part of the brain that coordinates the actions the muscles and helps maintain balance

part of the central nervous system that is located in the skull, and controls most functions in the body

thick columns of nervous tissue that links the brain to most of the nerves in the peripheral nervous system

one of the main regions of the brain; senses

a bruise-like injury of the brain that occurs when the soft tissue of the brain collides against the skull