What color is your blood. Red, right? Well, actually, yes. So why does it look blue when you see it through your skin? And is everyone's blood always the same color red (spoiler: no)? Do all animals have red blood ('nother spoiler: no!)? And why is red blood red anyway?
One large egg weighs approximately 2 ounces. Each egg is classified  into medium, large, extra large, and jumbo based on their actual  weight.
One large hard-boiled egg contains 78 calories, reports the U.S. Department of Agriculture. Eating one hard-boiled egg provides 4 percent of your daily caloric needs based on a 2,000-calorie diet.