Which Is Not Something the Respiratory System Does

question 434

Multiple Choice

Which is not something the respiratory system does?

• A)warming and moistening incoming air
• B)metabolizing oxygen into carbon dioxide
• C)mechanically causing air to flow into the lungs
• D)serving as a passageway through which air can enter and leave the body

---

Definitions:

Economic Profits

The difference between total revenue and total costs, including both explicit and implicit costs, indicating the financial gain exceeding all costs.

Monopoly

A market structure characterized by a single seller dominating the market, with no close substitutes for the product, giving the seller considerable power over prices.

Elasticity Of Demand

A measure of how much the quantity demanded of a good responds to a change in price, indicating the sensitivity of consumers to price changes.

Markup

The difference between the cost of a good or service and its selling price, expressed as a percentage over the cost.