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:

    The heart knows its own bitterness, and no stranger shares its joy.
    Bible: Hebrew, Proverbs 14:10.

    Apparel vice like virtue’s harbinger;
    Bear a fair presence, though your heart be tainted;
    Teach sin the carriage of a holy saint;
    Be secret-false.
    William Shakespeare (1564–1616)

    Handsome husbands often make a wife’s heart ache.
    Samuel Richardson (1689–1761)