Your heart is located between your lungs in the middle of your chest, behind and slightly to the left of your breastbone (sternum). A double-layered membrane called the pericardium surrounds your heart like a sac.he heart weighs between 7 and 15 ounces (200 to 425 grams) and is a little larger than the size of your fist. By the end of a long life, a person's heart may have beat (expanded and contracted) more than 3.5 billion times.
There are 320 calories in 1 serving of Pei Wei Mongolian Beef. Calorie breakdown: 47% fat, 28% carbs, 25% protein.
Calories per Ingredient. Here are the foods from our food nutrition database that were used for the nutrition calculations of this recipe. Calories per serving of Beef Cubed Steak. 150 calories of Beef, round steak, (0.25 lb) 5 calories of Onions, raw, (0.13 medium (2-1/2 dia)) 4 calories of Great Value Steak Sauce, (0.25 tbsp)