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:

    He hath a heart as sound as a bell and his tongue is the clapper, for what his heart thinks, his tongue speaks.
    William Shakespeare (1564–1616)

    a sorrow’s crown of sorrow is remembering happier things.
    Drug thy memories, lest thou learn it, lest thy heart be put to proof,
    In the dead unhappy night, and when the rain is on the roof.
    Alfred Tennyson (1809–1892)

    All pathways by His feet are worn,
    His strong heart stirs the ever-beating sea;
    His crown of thorns is twined with every thorn;
    His cross is every tree.
    Joseph Mary Plunkett (1887–1916)