The Body Region Where a Ciliary Escalator Helps to Sweep

question 40

Multiple Choice

The body region where a ciliary escalator helps to sweep microbes trapped in mucus away from that body site is the

• A)skin.
• B)respiratory tract.
• C)digestive tract.
• D)urinary tract.
• E)eyes.

---

Definitions:

Full Production

The state where all available resources are being used efficiently to produce goods and services.

Economic Problem

The fundamental issue of limited resources to meet unlimited wants, necessitating choices and prioritization in allocation.

Wealth Of Nations

A foundational economic text written by Adam Smith, which discusses the mechanics of market economies and introduces the concept of the ‘invisible hand’.

Pleasure

refers to a feeling of happiness, satisfaction, or enjoyment that comes from experiencing something desirable.