Articles > Quizzes & Surveys > Human Biology – Food and Digestion – QUiz Human Biology – Food and Digestion – QUiz Quiz Choose the best answer. 1. The organ filled with acid to break down food until it is in a semi-liquid state Small intestine Large intestine Stomach Accessory organ 2. A part of it is the duodenum wherein food molecules are broken down into simpler compounds Small intestine Large intestine Stomach Accessory organ 3. Required in the diet as a direct source of simple sugars, such as glucose Vitamins Proteins Carbohydrates Minerals 4. Important source of amino acids Vitamins Proteins Carbohydrates Minerals 5. Broken down into fatty acids during digestion Vitamins Carbohydrates Iron Lipids Send Your Results (Optional) Your Name To Email Time is Up!