Gas exchange is the biological process through which gases are transferred across a respiratory surface. For most organisms, this means taking in oxygen (O2) from the environment and releasing carbon ...

Push a pen or twig straight up through a flat surface – cardboard, a notepad, even your phone case. Watch the shadow it casts ...

Researchers have developed a groundbreaking device that may one day make detecting lung cancer as easy as exhaling. “We built ...

Your lungs work hard every day. Dr. Sudhanshu Rai shares three simple tests you can do at home to check your lung health.

Connective Tissue: Supports, connects, and separates different types of tissues and organs in the body. It provides ...