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 In Slimmer Beef Stroganoff Calories: 515, Fat: 24g, Carbs: 42g, Protein: 31g, Fiber: 1g. Calories In Ground Beef Stroganoff Calories: 227, Fat: 15g, Carbs: 10g, Protein: 14g, Fiber: 1g. Calories In Beef Stroganoff RECIPE Calories: 483, Fat: 16g, Carbs: 53g, Protein: 31g, Fiber: 3g.