Which system is responsible for breaking down food into smaller molecules and absorbing nutrients?

The digestive system is specifically designed to break down food into smaller molecules and absorb the necessary nutrients. This complex system includes various organs, such as the mouth, stomach, intestines, and many glands that secrete digestive juices. The process begins in the mouth with chewing and salivary enzymes, continues in the stomach where food is mixed with acids and enzymes, and is finalized in the small intestine, where most of the nutrient absorption occurs. The nutrients enter the bloodstream through the walls of the intestines and are then transported to different cells and tissues throughout the body to provide energy, growth, and maintenance. This intricate functionality highlights how the digestive system plays a crucial role in our overall health and well-being.