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:

    “A great mind is a good sailor, as a great heart is.”
    —Ralph Waldo Emerson (1803–1882)

    “If with love thy heart has burned;
    If thy love is unreturned;
    Hide thy grief within thy breast,
    Though it tear thee unexpressed.”
    —Ralph Waldo Emerson (1803–1882)

    “I’m folding up my little dreams
    Within my heart tonight,
    And praying I may soon forget
    The torture of their sight.”
    —Georgia Douglas Johnson (1886–1966)