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:

“But I saw the little-Ant men as they ran
Carrying the world’s weight of the world’s filth
And the filth in the heart of Man—
Compressed till those lusts and greeds had a greater heat
than that of the Sun.”
—Dame Edith Sitwell (1887–1964)

“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)

“Hope deferred makes the heart sick, but a desire fulfilled is a tree of life.”
—Bible: Hebrew, Proverbs 13:12.

Related Subjects

Acyanotic Heart Defect