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.
Calorie Content. A 4 oz. serving of gyro meat provides 178 calories. This amount is about 9 percent of the daily recommended intake of 2,000 calories. Gyro meat is higher in calories than some other types of meat, such as chicken. A 4 oz. serving of chicken breast contains 130 calories. Gyro meat is high in fat, with 11 g in each 4 oz. serving. Of this fat, 4.7 g comes from saturated fat. The USDA suggests you consume 20 percent to 35 percent of your calories from total fat, and less than 10 percent from saturated fat.