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:
“Lest, once more wandering from that heaven,
I fall on some base heart unblest,
Faithless to thee, false, unforgiven,
And lose my everlasting rest.”
—John Wilmot, 2d Earl Of Rochester (1647–1680)
“The heart is forever inexperienced.”
—Henry David Thoreau (1817–1862)
“‘Cause my heart belongs to Daddy.”
—Cole Porter (1893–1964)
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