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.
In the lungs, the oxygen crosses a membrane, traveling from the many tiny air sacs in your lungs into your blood. A low amount of oxygen in the blood can be due to any lung condition that interferes with you receiving a good, deep breath and getting enough oxygen traveling from the air sacs into the blood.