A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.

The UCLA advance opens the door to growing other vascularized organ models, including intestines and colons, providing ...

As our virtual heart tour continues, we gather around a bisected heart, watching valves open and close. The teacher prompts us to trace the blood flow — “oxygenated or deoxygenated?” he asks.

MRI evidence shows modest urban haze stiffens heart tissue, marking air pollution as a stealth cardiac saboteur beyond ...

In a scientific “first,” a tiny heart structure composed of human cells has been successfully grown within a pig embryo.

Scientists from QIMR Berghofer's Cardiac Bioengineering Lab have developed lab-grown, three-dimensional heart tissues known ...

In a world-first, scientists at Tel Aviv University have successfully 3D printed a tiny human heart using real human cells. This innovation could reshape the future of organ transplants, offering a ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains why neglecting your "second heart" can lead to health ...

Letter Published: 02 July 1966 Deposition of Inhaled Particles in Human Lungs C. N. DAVIES & D. C. MUIR Nature 211, 90–91 (1966) Cite this article ...

Centene's Guidance Withdrawal Spooks Sector, Oscar Health Stock Falls Trump-Administration's Health Agency Overstepped Authority, Reorganization Unlawful: Court Obama Warns 16 Million Americans ...