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 the heart has its reasons, perhaps the body
    Has its own lumbering sort of carnal spirit,
    Felt in the tingling bruises of collision,
    And known to captains as esprit de corps.”
    —Anthony Hecht (b. 1923)

    “[He] didn’t dare to, because his father had a weak heart and habitually threatened to drop dead if anybody hurt his feelings. You may have noticed that people with weak hearts are the tyrants of English married life.”
    —George Bernard Shaw (1856–1950)

    “Weather abroad
    and weather in the heart alike come on
    Regardless of prediction.”
    —Adrienne Rich (b. 1929)