Living Things: Human Respiratory System

The video tutorial explains the structure and mechanism of the respiratory system. It begins with an overview of the system, highlighting the nose, pharynx, trachea, lungs, and diaphragm. The tutorial then details the mechanism of respiration, focusing on the processes of inhalation and exhalation, where oxygen-rich air enters the lungs and carbon dioxide-rich air exits.

Explain the role of alveoli in the respiratory system.

How does inhalation differ from exhalation?