This 1930s educational film provides a detailed exploration of the respiratory ... lungs, including an in-depth look at healthy and diseased lung function. The film transitions to the excretory ...

The lungs benefit from different types of exercise. People coming out of surgery can start with breathing exercises. Learn ...

Discover the unexpected connection between nasal hair and cardiovascular wellness, from filtering pollutants to regulating ...

The cardio-respiratory system works together to get oxygen to ... increase – this gets more oxygen into the lungs and removes more carbon dioxide out of the lungs. The graph shows that as ...