Nervous system vocabulary

Any change or signal in the environment that can make an organism react in some way.

What the body does in reaction to a stimulus.

The process by which an organism's internal environment is kept stable in spite of changes in the external environment.

The message carried by neuron.

A threadlike extension of a neuron that carries nerve impulses away from the cell body.

A threadlike extension of a neuron carries nerve impulses toward the cell body.

A bundle of nerve fibers.

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

A neuron that carries nerve impulses from one neuron to another.

A neuron that sends an impulse to a muscle or gland, causing the muscle or gland to react.

The junction where on neuron can transfer an impulse to the next structure.