Blood is naturally slightly alkaline or basic. Here’s what that means. The pH scale measures how acidic or alkaline — basic — something is. Your body works constantly to carefully control pH levels of ...

A blood gas test measures oxygen and carbon dioxide levels in the blood. The test can also show blood pH levels and lung function. It is also called an arterial blood gas test or a blood gas analysis.

Your body is constantly performing a delicate balancing act that most of us never think about. While we’re busy worrying about calories and carbs, a microscopic chemistry experiment determines how ...