Heart

Heart

The heart is a hollow muscle that pumps blood throughout the blood vessels by repeated, rhythmic contractions. It is found in all animals with a circulatory system (including all vertebrates).

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Famous quotes containing the word heart:

    “If we may believe our logicians, man is distinguished from all other creatures by the faculty of laughter. He has a heart capable of mirth, and naturally disposed to it.”
    —Joseph Addison (1672–1719)

    “When I was one-and-twenty
    I heard a wise man say,
    “Give crowns and pounds and guineas
    But not your heart away;”
    —A.E. (Alfred Edward)

    “Son, brother, father, lover, friend. There is room in the heart for all the affections, as there is room in heaven for all the stars.”
    —Victor Hugo (1802–1885)