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:

    “The words of kindness are more healing to a drooping heart than balm or honey.”
    —Sarah Fielding (1710–1768)

    “I mean that my heart unto yours is knit,
    So that but one heart we can make of it:
    Two bosoms interchainèd with an oath,
    So then two bosoms and a single troth.”
    —William Shakespeare (1564–1616)

    “Swift beating on his breast in sibylline frenzy blind
    Because the heart in his blood-sodden breast had dragged him down into mankind ...”
    —William Butler Yeats (1865–1939)