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:

    “At the heart of the educational process lies the child. No advances in policy, no acquisition of new equipment have their desired effect unless they are in harmony with the child, unless they are fundamentally acceptable to him.”
    —Central Advisory Council for Education. Children and Their Primary Schools (Plowden Report)

    “Not yet has my heart or head
    In the least way realized
    They and I are civilized.”
    —Countee Cullen (1903–1946)

    “I haven’t the heart to poke poor Billy.”
    —Harry Graham (1874–1936)