Rabies Is Caused by a Virus That Attacks the Central

question 75

Essay

Rabies is caused by a virus that attacks the central nervous system. The virus is normally introduced byananimal bite that breaks the surface of the skin. Since the virus is not motile, how does it travel to the central nervous system?

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Definitions:

Limestone

A sedimentary rock composed mainly of calcium carbonate, often formed from the skeletal remains of marine organisms.

Calcite

A common crystalline form of natural calcium carbonate, CaCO3, that is the primary constituent of limestone and marble.

Precipitation

Any kind of water, be it liquid or frozen, that drops from the sky to the ground, covering all forms such as rain, snow, sleet, and hail.

Sinkhole

A depression or hole in the ground caused by the collapse of a surface layer, often due to the dissolution of underlying limestone.