Human body: The Respiratory System

The video explains the respiratory system, detailing how it allows oxygen into the blood and expels carbon dioxide. It covers the path of air from the nose through the nasal cavity, trachea, and into the lungs. The structure of the lungs, including bronchi, bronchioles, and alveoli, is described, highlighting the gas exchange process. The video also touches on the role of the larynx and vocal cords in producing sound.

What is the function of the diaphragm in the respiratory system?

Describe the process of air filtration in the nasal passages.

What are alveoli and what role do they play in the respiratory system?

How do the functions of the respiratory system differ from those of plants?

Explain how vocal cords contribute to sound production during breathing.