The Smallest and Last Part of the Air Distribution System

question 175

True/False

The smallest and last part of the air distribution system of the respiratory tract is the alveolar ducts.

---

Definitions:

Gut Wall

The lining of the gastrointestinal tract, characterized by layers of tissue that facilitate digestion and absorption of nutrients.

Flame Cells

Collecting cells that have cilia; part of the osmoregulatory system of flatworms.

Protonephridia

Protonephridia are excretory structures found in some invertebrates, functioning in osmoregulation and waste removal.

Tubules

Small tube-like structures in organisms, often found in organs such as kidneys, where they play a role in the transport and processing of bodily fluids.