The Old Testament teaches that the [[life]] of all flesh is its [[blood]] ({{Bible ref|book=Leviticus|chap=17|verses=13-14|version=KJV}}). Secular science remained ignorant of the properties and circulation of blood until the 17th century A.D.<ref>[http://wap.bible.org/nbw/deu12_notes.htm Net Bible: Notes] to [http://wap.bible.org/nbw/deu12.htm Deuteronomy 12:23] (Ann 34)</ref>
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The Old Testament teaches that the [[life]] of all flesh is its [[blood]] ({{Bible ref|book=Leviticus|chap=17|verses=13-14|version=KJV}}). Secular science remained ignorant of the properties and circulation of blood until the 17th century A.D.<ref>[http://wap.bible.org/nbw/deu12_notes.htm Net Bible: Notes] to [http://wap.bible.org/nbw/deu12.htm#1234 Deuteronomy 12:23] </ref>