Ultimate physio practical git

The document summarizes the process of digestion. It defines key terms like enzymes, catalysts, and hydrolysis. It describes different enzyme assay methods and chemical tests to detect nutrients like sugars, starches, proteins, and fats. The roles of the tongue, larynx, gastroesophageal sphincter and bile in digestion are explained. The differences between segmentation and peristalsis in propelling food through the digestive tract are compared. Videos demonstrating selected chemical tests and digestive processes are also listed.