Nervous System Flashcards

Front

The nervous system is responsible for controlling and coordinating all activities of the body.

Back

The nervous system tells us if the water's too hot or if we should be fearful, and it aids in communication.

Front

Neurons are the basic units of the nervous system.

Back

Neurons receive, transmit, and integrate information.

Front

The myelin sheath is a fatty substance.

Back

The myelin sheath insulates and protects the axon.

Front

The nervous system is a big computer processing system.

Back

It aids in all communication and initiates appropriate responses.

Front

Glia may influence memory formation or chronic pain.

Back

Research indicates glia may contribute to psychological disorders.

Front

The nervous system functions without conscious thought.

Back

It automatically tells your eyelids to start blinking.

Front

The nervous system collects information about the body's external and internal states.

Back

This information is analyzed and sent to the brain.

Front

The nervous system sends impulses out to initiate responses.

Back

These responses happen very quickly.

Front

The dendrites are like the branches of a tree.

Back

They receive signals and carry them to the cell body.

Front

The cell body keeps things running.

Back

It provides energy for the cell's activity.