The human digestive system is essential for breaking down food and absorbing nutrients. Each organ in this system has a specific function. The stomach, for instance, is primarily responsible for the initial breakdown of food through mechanical mixing and chemical digestion. It secretes gastric juices containing hydrochloric acid and digestive enzymes that aid in this process. Understanding the roles of different parts of the digestive system can help us better appreciate how they contribute to overall health. What is the primary function of the stomach in the digestive process?