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:
“A man is relieved and gay when he has put his heart into his work and done his best; but what he has said or done otherwise shall give him no peace.”
—Ralph Waldo Emerson (1803–1882)
“One hand stiff—heaviness of forties & menopause reduced
by one heart stroke, lame now—wrinkles—a scar on
her head, the lobotomy—ruin, the hand dipping downwards to
death—”
—Allen Ginsberg (b. 1926)
“I cast my heart into my rhymes,
That you, in the dim coming times,
May know how my heart went with them
After the red-rose-bordered hem.”
—William Butler Yeats (1865–1939)