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.
Thatâs based on the leanest cuts, trimmed of all fat. Other bison cuts have 4 to 9 grams of fat and 165 to 190 calories, comparable to some lean beef cuts; ground bison meat can have 15 grams of fat and 240 calories in 3.5 ounces.hether 100 percent grass-fed or grain-finished, bison meat is leaner than beef, though grain-finishing does increase the fat content somewhat. And like all meat, itâs rich in protein, iron, zinc, vitamin B12 and other nutrients.