The Nervous System

Front

What is the main function of the nervous system?

Back

To control and coordinate the body's activities and respond to internal and external stimuli.

Front

What are neurons?

Back

Specialized cells that transmit nerve impulses throughout the body.

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Front

What is a sensory neuron?

Back

A type of neuron that carries information from sensory receptors (like eyes and skin) to the brain.

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Front

What is a motor neuron?

Back

A type of neuron that carries signals from the brain and spinal cord to muscles to enable movement.

Front

What is the role of the spinal cord?

Back

It connects the brain to the rest of the body and facilitates communication between them.

Front

What are the three main parts of the nervous system?

Back

Brain, spinal cord, and neurons.

Front

What is a stimulus?

Back

A change in the environment that causes a response in an organism.

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Front

What is a response?

Back

The reaction of an organism to a stimulus.

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Front

What is the central nervous system (CNS)?

Back

The part of the nervous system that includes the brain and spinal cord.

Front

What is the peripheral nervous system (PNS)?

Back

The part of the nervous system that includes all the nerves outside the CNS.