When You Are Walking, the Brain Sends Messages to the Skeletal

question 232

Multiple Choice

When you are walking, the brain sends messages to the skeletal muscles in the legs by way of

• A) efferent fibres.
• B) sensory fibres.
• C) afferent fibres.
• D) central fibres.

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Definitions:

Sugar

A generic name for sweet-tasting, soluble carbohydrates, many of which are used in food.

Chromatography

A laboratory technique for the separation of a mixture by passing it through a medium in which the components move at different rates.

Evaporation

The process by which a liquid changes into a gas, typically below its boiling point, at the surface of the liquid.

Filtering

A process of separating solids from liquids or gases using a medium that allows only the fluid to pass through.