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:
“A life-long blessing for children is to fill them with warm memories of times together. Happy memories become treasures in the heart to pull out on the tough days of adulthood.”
—Charlotte Davis Kasl (20th century)
“When people do not respect us we are sharply offended; yet deep down in his private heart no man much respects himself.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)
“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)