Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

SPIRIT LAKE, Iowa (KTIV) - Folks on Big Spirit Lake have been observing strange behavior in the fish there for the past few weeks because of low oxygen levels in the water. While this may sound like ...

Makers of medical devices that quickly measure oxygen levels in the blood would have to gather extra data to show that their products work for patients of color, under a new federal proposal released ...

This story was originally published by Yale Environment 360 and is reproduced here as part of the Climate Desk collaboration. Off the coast of southeastern China, one particular fish species is ...

Researchers Jeff Crooks and Stephany Garcia checked the minnow traps left at the murky mouth of the Tijuana River on a sunny October morning. They didn’t expect any catches. They haven’t had any for ...

Oxygen has provided a breath of fresh air to the study of the Earth's evolution some 400-plus million years ago. A team of researchers, including a faculty member and postdoctoral fellow from ...

A new study from the University of Helsinki reveals how plant mitochondria draw molecular oxygen away from chloroplasts, an interaction not previously documented. The discovery sheds new light on how ...

The tidal environment of mangrove forests serves as nurseries for many fish species. Researchers at the University of Gothenburg have measured carbon dioxide and oxygen levels in 23 of the world's ...