Grays Peak and Torreys Peak - 8.35 Miles Round-Trip. Grays Peak (14,270') and Torreys Peak (14,267') are the two highest points along the Continental Divide, and considered among the most accessible fourteeners in Colorado. The summits are connected by a .8 mile long saddle, making both attainable in a day with an early start.
BUN â Blood urea nitrogen. 1  Purpose: To detect elevated waste levels in the bloodstream, which is an early sign of reduced kidney function. 2  Normal range: 7 to 20 milligrams per deciliter (mg/dl). 3  How this test is conducted: A blood sample is taken and sent for analysis.
BUN is a measure of kidney function. A high level may indicate that the kidneys are functioning less than normal. Normal Values: 8-25mg/100ml (USA) 2.9-8.9 mmol/L (International). This test measures the amount of carbon dioxide in the blood.Most carbon dioxide is present in the form of bicarbonate, which is regulated by the lungs and kidneys.UN is a measure of kidney function. A high level may indicate that the kidneys are functioning less than normal. Normal Values: 8-25mg/100ml (USA) 2.9-8.9 mmol/L (International). This test measures the amount of carbon dioxide in the blood.