Hemoglobin: The oxygen-carrying pigment and predominant protein in the red blood cells. Hemoglobin forms an unstable, reversible bond with oxygen. In its oxygenated state it is called oxyhemoglobin and is bright red.
Caffeine by McDonalds Iced Coffee Size. 1  Medium (16 floz): 133mg. 2  Large (22 floz): 200mg. 3  Extra Large (32 floz): 320mg.
The 260 calories in one serving of McDonald's Caramel McCafe Iced Coffee are equivalent to the calories burned while: Running (6 mph) for 22 minutes; Stationary rowing for 45 minutes; Chopping wood for 34 minutes; Sleeping for 3 hours and 49 minutes (Calculations are based on a 150-lb person.)