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://books.google.com.au/books?id=OPOu1UgIKjYC&lpg=PA364&dq=%22but%20not%20scientifically%20tested%20and%20proved%20until%20the%2017th%20century%22&pg=PA365#v=snippet&q=%22not%20scientifically%20tested%20and%20proved%20until%20the%2017th%20century%22&f=false</ref>
+
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>