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:

    “For the sword outwears its sheath,
    And the soul wears out the breast.
    And the heart must pause to breathe,
    And love itself have rest.”
    —George Gordon Noel Byron (1788–1824)

    “The eye is the casement at which the heart generally looks out. Many a woman who will not show herself at the door, has tipt the sly, the intelligible wink from the window.”
    —Samuel Richardson (1689–1761)

    “There will be no lasting peace either in the heart of individuals or in social customs until death is outlawed.”
    —Albert Camus (1913–1960)