The process of breaking down food into small soluble substances that can be absorbed by the body., Digestion, Taking food into the mouth., Ingestion, The movement of digested food into the bloodstream., Absorption, Removal of undigested food from the body., Egestion, Wave-like muscular movements that push food along the alimentary canal., Peristalsis, Substances that speed up digestion., Enzymes, Physical breakdown of food into smaller pieces., Mechanical Digestion, Breakdown of food by enzymes., Chemical Digestion, A substance that helps break fats into smaller droplets., Bile, Breaking fats into tiny droplets, Emulsification, Tiny finger-like structures in the small intestine that absorb nutrients., Villi, The tube food passes through from mouth to anus., Alimentary Canal, Organs that help digestion but food does not pass through them., Accessory Organs, What is a balanced diet?, A diet containing the right amounts of nutrients., What is constipation?, Difficulty passing faeces. (occurs when fecal matter moves too slowly through the large intestine, resulting in excessive water absorption by the colon, Material that helps food move through the digestive system., roughage (fibre)

Digestive System - Basic Definitions

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