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to make a substance neither acidic nor alkaline.
anaerobic respiration that occurs in plants and results in the formation of ethanol and carbon...
the movement of respiratory gases across a respiratory surface.
the spread of cancer cells from the original (primary) malignant tumour to other parts of the...
the sheet-like muscle found below the ribcage that plays a vital role in breathing.
two species that interact symbiotically in a relationship that is beneficial to both species....