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:

    “When a companion’s heart of itself overflows, the best one can do is to do nothing.”
    —Herman Melville (1819–1891)

    “O world, thou wast the forest to this hart,
    And this indeed, O world, the heart of thee!
    How like a deer, strucken by many princes,
    Dost thou here lie!”
    —William Shakespeare (1564–1616)

    “Hear my soul speak:
    The very instant that I saw you, did
    My heart fly to your service, there resides
    To make me slave to it.”
    —William Shakespeare (1564–1616)