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:

    “Le coeur a ses raisons que la raison ne connait point. The heart has its reasons which reason does not know of.”
    —Blaise Pascal (1623–1662)

    “Farewell, my Youth! for now we needs must part,
    For here the paths divide;
    Here hand from hand must sever, heart from heart,—
    Divergence deep and wide.”
    —Rosamund Marriott Watson (1863–1911)

    “If grief could burn out
    Like a sunken coal,
    The heart would rest quiet....”
    —Philip Larkin (1922–1986)