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matter of the heart definition, matter of the heart meaning | English dictionary. matter. 2 substance that occupies space and has mass, as distinguished from substance that is mental, spiritual, etc. n the substance or main theme of a book, discussion, debate, etc.
An englarged heart in dogs can be potentially fatal if not diagnosed and treated promptly. So it's important to know the causes, symptoms, and possible dangers of an enlarged heart. Heart health can be a big concern for dog owners, especially those who are raising certain breeds.