The human digestive system is an intricate process that ensures our bodies absorb essential nutrients while efficiently eliminating waste. Every time we eat, the digestive process begins, breaking down food, extracting vital components, and disposing of what is unnecessary. Although the colon's primary function is to remove waste, it plays a crucial role in maintaining overall health. Let's explore the step-by-step journey of food through the digestive system and understand how this separation occurs.
Step 1: Ingestion and Initial Breakdown
The process begins in the mouth, where food is chewed into smaller pieces. Saliva, which contains enzymes like amylase, starts breaking down carbohydrates, making digestion easier. Chewing also helps mix food with saliva, forming a soft mass called a bolus that can be easily swallowed.