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).
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Famous quotes containing the word heart:
“The Danube to the Severn gave
The darken’d heart that beat no more;
They laid him by the pleasant shore,
And in the hearing of the wave.”
—Alfred Tennyson (1809–1892)
“When I was one-and-twenty
I heard a wise man say,
“Give crowns and pounds and guineas
But not your heart away;
Give pearls away and rubies,
But keep your fancy free.”
But I was one-and-twenty,
No use to talk to me.”
—A.E. (Alfred Edward)
“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)