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 soldier’s is the trade:
    In any wind or weather
    He steals the heart of maid
    And man together.

    The lover and his lass
    Beneath the hawthorn lying,”
    —A.E. (Alfred Edward)

    “O hiding hair and dewy eyes,
    I am no more with life and death,
    My heart upon his warm heart lies,
    My breath is mixed into his breath.”
    —William Butler Yeats (1865–1939)

    “When people do not respect us we are sharply offended; yet deep down in his private heart no man much respects himself.”
    —Mark Twain [Samuel Langhorne Clemens] (1835–1910)