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:

    “The heart has its reasons which reason does not know.”
    —Blaise Pascal (1623–1662)

    “The heart never grows better by age; I fear rather worse; always harder. A young liar will be an old one, and a young knave will only be a greater knave as he grows older.”
    —Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)

    “When the sheep are in the fauld, and the kye at hame,
    And a’ the warld to rest are gane,
    The waes o’ my heart fa’ in showers frae my e’e,
    While my gudeman lies sound by me.

    Young Jamie lo’ed me weel, and sought me for his bride;”
    —Lady Anne Lindsay (1750–1825)