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:
“Continued traveling is far from productive. It begins with wearing away the soles of the shoes, and making the feet sore, and ere long it will wear a man clean up, after making his heart sore into the bargain. I have observed that the afterlife of those who have traveled much is very pathetic.”
—Henry David Thoreau (1817–1862)
“Every man at the bottom of his heart believes that he is a born detective.”
—John Buchan (1875–1940)
“My heart doth joy that yet in all my life
I found no man but he was true to me.”
—William Shakespeare (1564–1616)