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The function of the digestive system is to break foods into smaller and tiny particles and break this tiny particles into molecules to be able for them to dissolve in the body fluids. After dissolving in the body fluids, the foods now in the form of nutrients passes through the cell walls and used by the body cells.

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In the making of soap, a vegetable oil such as palm oil is boiled with a concentrated alkali solution in a reaction known as saponification. The alkali reacts with the oil and breaks it down into glycerol and fatty acids. These fatty acids react with the alkali to form sodium or potassium salt of the fatty acids.

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It should be urine free when collected. Collect the entire stool and transfer to another container by a tongue-blade. Deliver immediately to the lab. Warm stools are best for detecting ova and parasites.

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A brief overview of digestion.