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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.
heart beat medical image by Nicemonkey from Fotolia.com. Arteriosclerosis, or clogged arteries, is the formation on the inside of blood vessels of fatty plaques that eventually thicken the vessel walls and restrict or stop the blood flow causing angina (chest pain) and possibly heart attacks.