Nervous System

Front

What is the name for a cell in the nervous system?

Back

Neuron

Front

A membrane potential becoming less negative is called?

Back

Depolarization

Front

Which neurons carry messages from the brain to the body?

Back

Motor neuron

Front

Which ions are involved in the electrical nerve impulse?

Back

Potassium and Sodium

Front

Which part of a neuron receives stimuli?

Back

Dendrites

Front

What is the function of sensory neurons?

Back

To carry messages from sensory receptors to the central nervous system.

Front

What is the role of the myelin sheath?

Back

To insulate axons and increase the speed of nerve impulse transmission.

Front

What is hyperpolarization?

Back

An increase in the membrane potential, making it more negative.

Front

What is the function of interneurons?

Back

To connect sensory and motor neurons within the central nervous system.

Front

What is the resting potential of a neuron?

Back

The electrical charge difference across the neuron's membrane when it is not transmitting a signal.