The human digestive system is a series of organs that converts ... The enzymes in saliva help break down foods, and the lubrication function of saliva makes it easier for food to be swallowed.

Your digestive system is a group of connected organs that work together to turn the food you eat into nutrients your body needs to function. It includes your biliary system—your gallbladder ...

They depend on organs in the mouth and chest, such as the esophagus and tongue, to help chew, move food, and perform primary digestive functions. The abdomen also includes the urinary system.

There’s plenty to learn about the digestive system — and after partnering to write and illustrate children’s books about the ...