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:

    ““It was the mask engaged your mind,
    And after set your heart to beat,
    Not what’s behind.””
    —William Butler Yeats (1865–1939)

    “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)

    “I have a heart to love all the world; and like Alexander I wish there were yet other worlds, so I could carry even further my amorous conquests.”
    —Molière [Jean Baptiste Poquelin] (1622–1673)