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Science Key Words

TermDefinition
Ingestion The process of taking food, drink or another substance into the body by swallowing or absorbing it.
Egestion Water is absorbed and then undigested solids are pushed out as faeces (solid waste)
Digestion The process of breaking down large molecules into smaller, soluble molecules that can be absorbed into the circulatory system for use throughout the body.
Absorbtion Digested food molecules are absorbed through the intestinal wall and carried by the bloodstream to be used in the cells of the body. waste products and fibre remains in the digestive system
Created by: lucy1