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:

    “Christ is my onely head,
    My alone onely heart and breast,
    My onely musick, striking me ev’n dead;”
    —George Herbert (1593–1633)

    “The wind’s on the wold
    And the night is a-cold,
    And Thames runs chill
    ‘Twixt mead and hill.
    But kind and dear
    Is the old house here
    And my heart is warm
    Midst winter’s harm.”
    —William Morris (1834–1896)

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