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.
Ulaanbaatar has six major universities: 1  National University of Mongolia. 2  Mongolian University of Science and Technology. 3  Mongolian State University of Agriculture. 4  Health Science University of Mongolia. 5  Mongolian State University of Education. 6  Mongolian University of Art and Culture.