If a blood clot forms, it can stop the blood flow. This can cause a heart attack or stroke. A heart attack occurs when the blood flow to a part of the heart is blocked by a blood clot. If this clot cuts off the blood flow completely, the part of the heart muscle supplied by that artery begins to die.
Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules.
Pancreas and Fat Digestion. The pancreas is a leaf-shaped organ that lies below the stomach. It secretes juices containing enzymes that are capable of digesting all major types of food -- carbohydrates, fats and proteins.The pancreas is the first organ to begin digesting fats.he deep spaces between the villi are called crypts, which secrete mucus, bicarbonate and water. In addition to these secretions, the cells of the small intestine also produce hormones, like secretin and cholecystokinin, which stimulate the other organs to release their digestive juices.