When you swallow a peanut does the first come in contact with peritoneal cavity digestive mucosa small intestine or pancreatic juice?

When you swallow a peanut, it does not come into contact with the peritoneal cavity, digestive mucosa, or pancreatic juice first. Instead, it first passes through the mouth, where it is chewed and mixed with saliva. The saliva helps to break down the peanut into smaller pieces and make it easier to swallow. The peanut then travels down the esophagus, a muscular tube that connects the mouth to the stomach. The esophagus uses a series of involuntary muscle contractions called peristalsis to move the peanut downward. Once the peanut reaches the stomach, it is mixed with stomach acid and enzymes that further break it down. The peanut then passes through the pyloric valve, a muscular sphincter that controls the passage of food from the stomach into the small intestine. In the small intestine, the peanut is further broken down by enzymes from the pancreas and bile from the liver. The nutrients from the peanut are absorbed into the bloodstream through the walls of the small intestine. Any remaining waste products from the peanut are passed into the large intestine, where they are eventually eliminated from the body.