Science 12.1

• Digestion is the process wherein food is broken down into smaller molecules.
• Ingestion is the process of eating.
• Transport of food begins when the food is swallowed.
• Secretion of Materials collectively called digestive juice (saliva, gastric juice, etc.)
• Digestion of food. one digestive process breaks down food into small pieces.
• Absorption process brings the final products of digestion.
• Excretion is the process of removing waste products from the body.