Human Respiratory System: Anatomy of the Lungs. Posted: March 14, 2025 | Last updated: July 10, 2025. This 1930s educational film provides a detailed exploration of the respiratory and excretory ...

The respiratory system is the organs and other parts of your body involved in breathing, when you exchange oxygen and carbon dioxide. All the cells in your body need oxygen to work.

Respiratory infections such as COVID-19 have been responsible for numerous pandemics and have placed a substantial burden on ...

Respiratory infections refer to any infections of the respiratory system. They can affect your throat, sinuses, lungs, or airways. They're common for people of all ages and aren’t usually serious.

As organs go, lungs do not receive a lot of attention, and diseases associated with them, such as lung cancer, historically have been underfunded. Here’s a look at how your amazing lungs function.

Alveoli are tiny air sacs in your lungs that take up the oxygen you breathe in and keep your body going. Although they’re microscopic, alveoli are the workhorses of your respiratory system ...