11. The Purpose of the liver? How does the liver work? it produces a substance called bile (stored in the gall bladder just below the liver) which helps in breaking down liquids (fat) when we are digesting food, it helps with the clotting of blood at a wound and also helps keep the core temp of our body at a level of 27 degrees Celsius. The liver does things such as clean your blood by removing toxins such as medicine and alcohol.
13. The Purpose of the oesophagus How does the oesophagus work It is a muscular tube that takes food and water From the mouth to the stomach. It carries the food from the pharynx to the stomach. It has smooth muscles that allow it to perform peristalsis .
14. Gallstones Gallstones are small, pebble-like substances that develop in the gallbladder. Gallstones form when liquid stored in the gallbladder hardens into pieces of stone-like material. If the liquid bile contains too much cholesterol, bile salts, it can harden into gallstones.