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:

    “Let no one’s heart fail because of him; your servant will go and fight with this Philistine.”
    —Bible: Hebrew, 1 Samuel 17:32.

    David, of Goliath.

    “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)

    “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)