Ready In. 30 m. Melt the butter or margarine in a large skillet over medium-high heat. Add the garlic and asparagus spears; cover and cook for 10 minutes, stirring occasionally, or until asparagus is tender. If you like your asparagus well done, reduce heat and cook an additional 10 minutes.
Another possible cause of low blood oxygen saturation is anemia, which occurs when the red blood cells don't have adequate hemoglobin, an iron-rich protein that acts as the oxygen carrier, according to the National Anemia Action Council. Anemia has many causes.
What are the symptoms of low oxygen? Symptoms of low oxygen levels in the blood include rapid breathing, fast heart rate, confusion, shortness of breath and changes in the skin color, which can range from blue to cherry red, according to WebMD. Body tissues require a certain amount of oxygen for the body to function properly, notes Mayo Clinic.