How Do Muscles Contribute to Maintaining Body Temperature

question 5

Multiple Choice

How do muscles contribute to maintaining body temperature?

• A)They move the chest wall as you breathe.
• B)They contract and produce the heat needed to maintain body temperature.
• C)They hold you straight when sitting, standing or moving.
• D)They expand and that produces heat in the body.
• E)They overstretch and that cools the muscle.

---

Definitions:

Variable Costs

Expenses that change in proportion to the activity of a business, such as costs for raw materials or production.

Profit-maximizing Output

This is the level of production at which a firm achieves the highest possible profit, determined by the point where marginal cost equals marginal revenue.

Total Cost

The complete cost of production, including both fixed and variable costs, incurred by a business in producing its goods or services.

Marginal Cost

The increase in total cost that arises from producing an additional unit of output.