Respiratory System

The video explains the respiratory system, highlighting its components and functions. It details the process of inhalation and exhalation, emphasizing the role of the diaphragm and intercostal muscles. The video also covers the gas exchange process in the alveoli and capillaries, and discusses the impact of foreign bodies like cigarette smoke on respiratory health.

What is the main function of the respiratory system?

Describe the process of inhalation and its effects on the chest cavity.

Explain how gas exchange occurs in the alveoli.

What happens during exhalation in terms of muscle movement and pressure changes?

What are some potential effects of inhaling foreign bodies on the respiratory system?