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.
Carrots and sweet potatoes both contain more sugar than many other vegetables, but sweet potatoes have a higher fiber and total carbohydrate content than carrots. One medium sweet potato contains 23 grams of carbohydrates, including 4 grams of dietary fiber and 7 grams of sugars.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.