Nervous System Overview

Front

What is the function of the nervous system?

Back

The nervous system gathers and interprets information about the body's internal and external environments and responds to that information.

Front

What are the two subdivisions of the nervous system?

Back

Central nervous system and peripheral nervous system.

Front

What are neurons?

Back

Neurons are specialized cells that transfer messages in the form of electrical energy.

Front

What are impulses?

Back

Impulses are the electrical messages that pass along neurons.

Front

What is the role of sensory neurons?

Back

Sensory neurons gather information about what is happening in and around your body and send this information to the central nervous system for processing.

Front

What is the role of motor neurons?

Back

Motor neurons send impulses from the brain and spinal cord to other systems. Example: Squinting in bright light.

Front

What are nerves?

Back

Nerves are bundles of both sensory and motor neurons.

Front

What are the three parts of the brain in the central nervous system?

Back

The Cerebrum, the cerebellum, and the medulla.

Front

What is the function of the cerebrum?

Back

The cerebrum is the largest part of the brain; it controls thinking, memory, voluntary movements, and the five senses.

Front

What is the function of the cerebellum?

Back

The cerebellum keeps track of your body position (balance).