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:
“he had been alone
Amid the heart of many thousand mists,”
—William Wordsworth (17701850)
“The heart has its reasons of which reason knows nothing: we know this in countless ways.”
—Blaise Pascal (16231662)
“All pathways by His feet are worn,
His strong heart stirs the ever-beating sea;
His crown of thorns is twined with every thorn;
His cross is every tree.”
—Joseph Mary Plunkett (18871916)
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