Question

1. a ring of muscle at the end of the stomach controls the flow of food by opening and closing every few minutes to allow the liquid food to flow into the ___, a very long, coiled, tube - like organ.
2. the final steps of digestion occur in the small intestine. one type of digestive liquid that is added here is called ___, which is produced in the liver and breaks down fats in foods.
3. a storage sac called the ___ holds the bile that is produced in the liver.
4. pancreatic juice is another digestive juice added in the small intestine. it is produced in the ___.
5. ___, which is made in the walls of the small intestine, works together with the pancreatic juice to chemically break down the food.
6. the nutrients from the digested food are then absorbed into the bloodstream through tiny finger - like structures called ___ that line the inner wall of the small intestine.

Explanation:

1. The pyloric sphincter (ring of muscle) controls food flow from the stomach to the small intestine.
2. Bile is produced in the liver and breaks down fats.
3. The gallbladder stores bile.
4. Pancreatic juice is produced in the pancreas.
5. Intestinal juice (from small - intestine walls) works with pancreatic juice.
6. Villi (finger - like structures) absorb nutrients in the small intestine.

Answer:

1. pyloric sphincter; small intestine
2. bile
3. gallbladder
4. pancreas
5. Intestinal juice
6. villi