What Structures in the Respiratory Tract Assist in Removing Foreign

question 14

Multiple Choice

What structures in the respiratory tract assist in removing foreign bodies such as smoke and bacteria?

• A) Villi
• B) Golgi bodies
• C) Ciliary hairs
• D) Erector pili

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Definitions:

Contribution Margin

The amount by which a product's sales price exceeds its total variable costs, used to cover fixed costs and generate profit.

Variable Costing

Variable costing is an accounting method that includes only variable production costs in the cost of goods sold and inventory valuation.

Net Income

This is the total profit of a company after all expenses, taxes, and costs have been subtracted from total revenue.

Net Income

The total profit of a company after all expenses and taxes have been subtracted from total revenue.