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:

    “As soon as you are in a social setting, you better take away the key to the lock of your heart and pocket it; those who leave the key in the lock are fools.”
    —Johann Wolfgang Von Goethe (1749–1832)

    “Alas,

    For the tireless heart within the little
    Lady with rod that made them rise
    From their noon apple-dreams, and scuttle
    Goose-fashion under the skies!”
    —John Crowe Ransom (1888–1974)

    “There are strings in the human heart that had better not be vibrated.”
    —Charles Dickens (1812–1870)