The Tiny,thin-Walled Sacs in the Lungs Are Called

question 115

Multiple Choice

The tiny,thin-walled sacs in the lungs are called

• A) bronchi
• B) villi
• C) pharynx
• D) alveoli

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Definitions:

Entry Barriers

Obstacles that make it difficult for new competitors to enter a market, which can include high startup costs, regulatory requirements, and strong brand loyalty among existing customers.

Dominant Firms

Companies that have a major share of sales in a particular market, giving them significant power over the market price.

Monopolistic Competition

A market structure where many companies sell products that are similar but not identical, allowing for competition based on quality, price, and marketing.

Large Number

In economics, it often refers to a market condition where there are many buyers and sellers, leading to competitive prices.