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:

    “But angels come to lead frail minds to rest
    In chaste desires, on heavenly beauty bound.
    You frame my thoughts, and fashion me within;
    You stop my tongue, and teach my heart to speak;”
    —Edmund Spenser (1552?–1599)

    “Spring is here.
    Why doesn’t my heart go dancing?”
    —Lorenz Hart (1895–1943)

    “You would rouse to anger a heart of stone.”
    —Sophocles (497–406/5 B.C.)