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).

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Famous quotes containing the word heart:

    “A torn jacket is soon mended; but hard words bruise the heart of a child.”
    —Henry Wadsworth Longfellow (20th century)

    “In every tyrant’s heart there springs in the end
    This poison, that he cannot trust a friend.”
    —Aeschylus (525–456 BC)

    “If the heart of a man is deprest with cares,
    The mist is dispell’d when a woman appears;
    Like the notes of a fiddle, she sweetly, sweetly
    Raises the spirits, and charms our ears.”
    —John Gay (1685–1732)