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.
A small, McDonald's house coffee equals 12 fluid ounces. A coffee creamer equals 0.4 fluid ounces and one packet of sugar equals 4.0 grams. A premium roast iced coffee equals 11.5 fluid ounces or 85 grams.