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).
Read more about Heart.
Famous quotes containing the word heart:
“The longer we live the more we must endure the elementary existence of men and women; and every brave heart must treat society as a child, and never allow it to dictate.”
—Ralph Waldo Emerson (1803–1882)
“If the heart has its reasons, perhaps the body
Has its own lumbering sort of carnal spirit,
Felt in the tingling bruises of collision,
And known to captains as esprit de corps.”
—Anthony Hecht (b. 1923)
“‘Way down upon de Swanee ribber,
Far, far away,
Dere’s where my heart is turning ebber,
Dere’s where de old folks stay.”
—Stephen Collins Foster (1826–1884)