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:

    “Your friendship oft has made my heart to ache:
    Do be my enemy for friendship’s sake.”
    —William Blake (1757–1827)

    “Lovers, the conclusion is
    Doubled sighs and jealousies
    In a single heart that grieves
    For lost honour among thieves.”
    —Robert Graves (1895–1985)

    “I turn my head to sky rains falling,
    wash the wounds of numbness from my soul.
    Turn my heart in tides of fierce renewal,
    where love and rage run whole.
    Come drink deep.”
    —Carolyn McDade (20th century)