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:

    “When the heart flies out before the understanding, it saves the judgment a world of pains.”
    —Laurence Sterne (1713–1768)

    “Blows the wind to-day, and the sun and the rain are flying,
    Blows the wind on the moors to-day and now,
    Where about the graves of the martyrs the whaups are crying,
    My heart remembers how!”
    —Robert Louis Stevenson (1850–1894)

    “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)