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 1 oz of beef There are: approx 48 calories in 1 ounce of lean roast beef; approx 55 calories in 1 ounce of boiled, chopped, beef; approx 56-62 calories in 1 ounce of reasonably lean braised beef brisket; approx 82 calories in 1 ounce of lean and marbling braised beef brisket approx 109 calories in 1 ounce of lean and fat (1/4), braised beef brisket approx 54 calories in 1 ounce of lean, grass-fed, raw, ground beef