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).

Famous quotes containing the word heart:

“Although the good you do may not be seen by others, your good heart is known by Heaven.”
—Chinese proverb.

“I said to Heart, “How goes it?” Heart replied: “Right as a Ribstone Pippin!” But it lied.”
—Hilaire Belloc (1870–1953)

“Alas,

For the tireless heart within the little
Lady with rod that made them rise
From their noon apple-dreams, and scuttle
Goose-fashion under the skies!”
—John Crowe Ransom (1888–1974)