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:

“If we may believe our logicians, man is distinguished from all other creatures by the faculty of laughter. He has a heart capable of mirth, and naturally disposed to it.”
—Joseph Addison (1672–1719)

“Le coeur a ses raisons que la raison ne connait point. The heart has its reasons which reason does not know of.”
—Blaise Pascal (1623–1662)

“O hiding hair and dewy eyes,
I am no more with life and death,
My heart upon his warm heart lies,
My breath is mixed into his breath.”
—William Butler Yeats (1865–1939)