Front

What sends information throughout your body in the form of electrical signals?

Back

The nervous system.

Front

What is the term for an automatic reaction of the body to something?

Back

Reflex.

Front

Which body system includes the brain, spinal cord, nerves, and sense organs?

Back

Nervous system.

Front

Which part of the body is not directly connected to peripheral nerves?

Back

Brain.

Front

Why are some nerve cells very long?

Back

They must carry messages through the body.

Front

What is the main function of the nervous system?

Back

To process and transmit information throughout the body.

Front

What are the two main parts of the nervous system?

Back

Central nervous system and peripheral nervous system.

Front

What does the central nervous system consist of?

Back

The brain and spinal cord.

Front

What is the role of peripheral nerves?

Back

To connect the central nervous system to the rest of the body.

Front

What is a reflex action?

Back

An involuntary and automatic response to a stimulus.