Nervous System

Front

What is the building unit of the nervous system?

Back

Neuron

Front

What are the branches that extend from the cell body of a neuron?

Back

Dendrites

Front

What is the cylindrical axis that extends from the cell body of a nerve cell?

Back

Axon

Front

What are quick involuntary actions to a stimulus called?

Back

Reflexes

Tags

NGSS.MS-LS1-8

Front

Why are injuries to the spinal cord serious?

Back

Because brain cells cannot be replaced.

Front

What is the function of neurons in the nervous system?

Back

To transmit signals throughout the body.

Front

What is the role of dendrites in a neuron?

Back

To receive signals from other neurons.

Front

What is an axon?

Back

A long, thin structure that transmits electrical impulses away from the neuron's cell body.

Front

What is a synapse?

Back

The junction between two neurons where signals are transmitted.

Front

What is a reflex arc?

Back

The pathway that a reflex follows, involving sensory neurons, interneurons, and motor neurons.