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endocrine gland situated on top of each kidney, which produces hormones in response to stresses to the body.
the excessive growth of algae in eutrophic streams, rivers and dams.
the process in which micro-organisms, such as yeast, convert sugars into alcohol under anaerobic...
a chemical used as an antiseptic to prevent bacterial and fungal growth.
molecule that forms when carbon dioxide attaches itself to the amino group of a haemoglobin...