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:
“The heart never grows better by age; I fear rather worse; always harder. A young liar will be an old one, and a young knave will only be a greater knave as he grows older.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)
“The taking of a little prize,
Do not a single heart dispise.”
—Aurelian Townshend (c. 1583–c.1651)
“The proper office of religion is to regulate the heart of men, humanize their conduct, infuse the spirit of temperance, order, and obedience; and as its operation is silent, and only enforces the motives of morality and justice, it is in danger of being overlooked, and confounded with these other motives.”
—David Hume (1711–1776)