Other causes of stomach rumbles: 1  Incomplete digestion of food can lead to excess gas in the intestine. 2  Louder rumbles may occur when one is hungry. 3  Stomach rumbles can form further along the gastrointestinal system when air is swallowed while talking, eating, and drinking.
One cup of raw yams contains about 158 calories, whereas 1 cup of raw sweet potatoes contains about 114 calories. Therefore, yams contain about 44 more calories than sweet potatoes for an equal portion.
Calories and Fat. Sweet potatoes contain more calories per serving than carrots and most other vegetables. One serving of sweet potato, or one medium potato, contains 100 calories, while one serving of carrots, or one long carrot, contains only 30 calories.alories and Fat. Sweet potatoes contain more calories per serving than carrots and most other vegetables. One serving of sweet potato, or one medium potato, contains 100 calories, while one serving of carrots, or one long carrot, contains only 30 calories.