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:

“My heart leaps up when I behold
A rainbow in the sky:”
—William Wordsworth (1770–1850)

“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)

“Wee image of my bonnie Betty,
I fatherly will kiss and daut thee,
As dear an’ near my heart I set thee
Wi’ as guid will,
As a’ the priests had seen me get thee
That’s out o’ hell.”
—Robert Burns (1759–1796)