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.
One pound of 90 percent lean ground beef is 700 calories, making a 4 ounce serving of meatloaf about 225 calories. Perdue Fresh Ground Chicken is surprisingly higher in calories than the lean beef with 1 pound equaling 906 calories. So a 4 ounce serving of meatloaf being 275 calories. The lowest calorie choice is ground turkey. One pound is 640 calories and a 4 ounce serving of meatloaf is less than 200 calories.