The anaerobic lactic energy system is where the muscles do not use oxygen and lactic acid is produced.Making the best of Energy production Different events require athletes to use combinations of the three energy systems.he anaerobic lactic energy system is where the muscles do not use oxygen and lactic acid is produced.
Photo Credit Michele D. Lee/Demand Media. Stir the ground beef every three to five minutes as it cooks in the skillet. Break apart the cooking meat with the spatula to get the chunks smaller if desired. Cook the ground beef for eight to 10 minutes or until no pink remains in the middle of the pieces. The USDA recommends cooking ground beef until it reaches an internal temperature of 160 degrees Fahrenheit.
â¢ For food safety reasons, DO NOT thaw beef roasts on countertops or at room temperature. â¢ Cook immediately after thawing; beef roasts should be cooked to an internal temperature of 145 to 160 degrees F using a food thermometer.You canât tell if food is cooked safely by how it looks. Roasted or braised beef roasts for about 45 minutes per pound at 325 degrees F. A 2-pound roast will take about 1 Â½ hours to cook. â¢ Slice cooked beef roasts and serve with gravy; steamed vegetables; and rice, noodles, or potatoes.