How We Breathe: Visual Guide to Exhalation and Respiratory Function #3349478 (License: Personal Use)

This black-and-white vector illustration depicts a human profile in side view, with three curved horizontal lines emanating from the open mouth to symbolize expelled air during exhalation. The clean, minimalist design emphasizes airflow direction and respiratory action without anatomical detail, making it ideal for educational or medical communication. The transparent background allows seamless integration into digital interfaces.

Commonly used in health education websites, respiratory therapy materials, breathing exercise apps, and public health campaigns about lung function, COPD, asthma, or vocal training. Matches user intent for understanding breathing mechanics or visualizing breath control techniques.