Heart

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:

    “I—though heart might find relief
    Did I become a Christian man and choose for my belief
    What seems most welcome in the tomb—play a predestined part.
    Homer is my example and his unchristened heart.”
    —William Butler Yeats (1865–1939)

    “The heart is blind; but love is not blind. None of the gods is so discriminating.”
    —Henry David Thoreau (1817–1862)

    “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)