An Exchange Surface in Direct Contact with the External Environment

question 2

Multiple Choice

An exchange surface in direct contact with the external environment is found in the

• A) lungs.
• B) skeletal muscles.
• C) liver.
• D) heart.
• E) brain.

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Definitions:

Material's Ability

The inherent properties and characteristics of a material that determine its suitability for specific applications or performances.

Permeability

A measurement of a material’s ability to conduct magnetic lines of flux. The standard is air, which has a permeability of 1.

Reluctance

Resistance to magnetism.

Resistance

A measure of an object's opposition to the flow of electric current, resulting in electrical energy being dissipated as heat.