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:

“I saw a staring virgin stand
Where holy Dionysus died,
And tear the heart out of his side,
And lay the heart upon her hand
And bear that beating heart away;”
—William Butler Yeats (1865–1939)

“Oh, I must keep my heart inviolate
Against the potent poison of your hate.”
—Claude McKay (1889–1948)

“They didn’t know
how
my heart woke
to a range and measure
of song
I hadn’t known.”
—Hilda Doolittle (1886–1961)