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:

    “It is the heart which experiences God, and not the reason. This, then, is faith: God felt by the heart, not by the reason.”
    —Blaise Pascal (1623–1662)

    “Be near me when my light is low,
    When the blood creeps, and the nerves prick
    And tingle; and the heart is sick,
    And all the wheels of Being slow.”
    —Alfred Tennyson (1809–1892)

    “The heart beats thick,
    Big trout muscle out of the dead cold;”
    —Ted Hughes (b. 1930)