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:

    “The Danube to the Severn gave
    The darken’d heart that beat no more;
    They laid him by the pleasant shore,
    And in the hearing of the wave.”
    —Alfred Tennyson (1809–1892)

    “A kind heart he hath. A woman would run through fire and water for such a kind heart.”
    —William Shakespeare (1564–1616)

    “To fight without hope is to fight with grace,
    The self reconstructed, the false heart repaired.’”
    —Sir Herbert Read (1893–1968)