Sarah Is Using the Internet to Do Research for a Term

question 59

Essay

Sarah is using the Internet to do research for a term paper for school. She has found that many of the pages she looks at have links to similar pages and before long has gotten lost in a maze of Web sites. How can Sarah retrace her steps and find pages she was on moments ago as well as days earlier?

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Definitions:

Action Potential

The temporary electrical charge within a cell.

Neuron

A nerve cell.

Clostridium Tetani

A bacterium that causes tetanus, characterized by muscle stiffness and spasms, through the production of a neurotoxin.

Tetanus

A bacterial infection characterized by muscle spasms, commonly caused by a toxin produced by the bacterium Clostridium tetani.