Figure 24.3 Identify the Labeled Structure(s) in Each of the Following Questions

question 27

Multiple Choice

Figure 24.3

Identify the labeled structure(s) in each of the following questions.
-Identify the structure(s) indicated by Label O.

• A) Smooth muscle
• B) Alveolar sac
• C) Alveolar duct
• D) Alveolus
• E) Elastic fibers

---

Definitions:

Too Little Consumption

A situation where individuals or the economy as a whole are consuming less than optimal, possibly leading to underutilization of resources and a decrease in economic wellbeing.

Nonexcludable

A characteristic of public goods where it is not feasible to exclude individuals from using the good, leading to potential free-rider problems.

Common Resource

A resource, like air or water, that is accessible to all members of a society but subject to overuse and depletion.

Negative Externalities

Costs suffered by a third party due to an economic transaction they were not involved in.