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Science

central nervous system

the part of the nervous system consisting of the brain and spinal cord.

peripheral nervous system

the section of the nervous system lying outside the brain and spinal cord.

neutrons

the particles of the nucleus that have no charge.

dendrites

branching extensions of neuron that receives messages from neighboring neurons.

axons

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

nerves

control of your emotions

synapes

the functional junction between two neurons at which point the impulse is transmitted.

reflex

an automatic instinctive unlearned reaction to a stimulus

reflex arcs

The most basic conduction pathway through the nervous system, connecting a receptor and an effector and consisting of a receptor, a sensory neuron, an integrating center in the central nervous system, a motor neuron, and an effector

sensory neuron

cell that carries environmental mesages toward the spinal cord and brain

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