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:

    “Why do I yield to that suggestion
    Whose horrid image doth unfix my hair
    And make my seated heart knock at my ribs
    Against the use of nature?”
    —William Shakespeare (1564–1616)

    “The taking of a little prize,
    Do not a single heart dispise.”
    —Aurelian Townshend (c. 1583–c.1651)

    “The eye is the casement at which the heart generally looks out. Many a woman who will not show herself at the door, has tipt the sly, the intelligible wink from the window.”
    —Samuel Richardson (1689–1761)