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:
“Oh, I must keep my heart inviolate
Against the potent poison of your hate.”
—Claude McKay (1889–1948)
“Home—that blessed word, which opens to the human heart the most perfect glimpse of Heaven, and helps to carry it thither, as on an angel’s wings.”
—Lydia M. Child (1802–1880)
“My heart burnt within me with indignation and grief; we could think of nothing else.... All night long we had only snatches of sleep, waking up perpetually to the sense of a great shock and grief. Every one is feeling the same. I never knew so universal a feeling.”
—Elizabeth Gaskell (1810–1865)