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body substance |
Extracellular material and mixtures of cells and extracellular material that are produced, excreted or accreted by an Organism. Included here are Substances such as saliva, dental enamel, sweat, hormones, and gastric acid.
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milk | A nutritious BodySubstance produced by Mammals that has evolved to provide nourishment for their offspring duringtheir initial period of life. [Wikipedia] For the 'milk that we drink day-to-day, one should refers to ProcessMilk under Beverage. |
| | serum | Any LiquidBodySubstance other than Blood. |
| | tear | A Substance secreted by the TearGland to provide moisture to the Eye. |