Which Muscles Are Involuntary

question 68

Multiple Choice

Which muscles are involuntary?

• A)cardiac and smooth
• B)cardiac and skeletal
• C)smooth and skeletal
• D)only skeletal
• E)only cardiac

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Definitions:

Labor

Describes the use of human physical and mental capabilities in creating products and services.

Average-Variable-Cost Curve

The average-variable-cost curve graphs the unit variable cost against the level of output, typically showing a U-shaped curve due to economies and diseconomies of scale.

Variable Cost

Costs that change in proportion to the level of goods or services that a business produces.

Marginal Product

The additional output that is generated by employing one more unit of a specific factor of production while holding other factors constant.