It seems you might be asking about "bio-lungs" or something similar. There's no established term or technology called "biolungs." However, there are a few related concepts that might be what you're thinking of:

1. Biofilters: These are systems that use biological processes to remove pollutants from air or water. They often involve a bed of microorganisms that break down harmful substances.

2. Artificial Lungs: These are devices that provide respiratory support for people with lung failure. They can be external, like an ECMO machine, or implanted, like a lung transplant.

3. Bio-inspired Lung Devices: Researchers are exploring ways to create artificial lungs that mimic the natural structure and function of human lungs, using biocompatible materials and incorporating elements of biology.

4. Bio-augmentation for Lung Health: This refers to using biological therapies to enhance lung function and repair lung damage. This might involve using stem cells or other regenerative approaches.

Could you provide more context? If you can give more details about where you encountered the term "biolungs," I might be able to provide a more specific answer.