🌊 Peristalsis: The Wave That Keeps Digestion Moving 🌊 Ever wonder how food travels through your digestive system? It’s all thanks to peristalsis—a series of muscle contractions that move food along the digestive tract. This process is controlled by the enteric nervous system, a complex network of neurons in the gut, often called the ‘second brain’ of the body. Together with the autonomic nervous system, it ensures smooth and rhythmic muscle contractions that transport food from the esophagus t