Nothing to offer but Blood

 Dr. Stanley Aronson Dean of Medicine Emeritus at Brown University wrote an article, about thee first first element of the inner human body cited in the (book of Genesis) was Adam's rib; second was the eye: For when Eve and Adam ate the fruit of the tree of know;edge, " THEN THE EYES OF BOTH WERE OPEN." and the Third was blood. When Cain slayed his brother, God says: " HARK, YOUR BROTHER BLOOD CRIES OUT FRO M THE GROUND."  Many tissues might have cried out for reckoning-the heart, the brain, the spleen-yet to the "Hebrews" the essence of the soul and the 'Spirit of life" rested solely in thy blood. Blood was warm, pulsating, and when it was shed, life inevitably fled.
  Blood is the gift of life and a solemn token of God's generosity. the Bible declares, " for the life of the flesh is in the blood."  (Leviticus 17:11).  Repeatedly, Leviticus condemns any use of blood except in " Altar Sacrifice."
 The lord spoke: " Therefore I say to he Israelite people: No person among you shall partake of blood".
  Indeed, the dietary laws of the Hebrews decree that blood must be removed before the flesh of a bird, or an animal may be consumed. I believe this was carried over to the "New Testament when St.Paul went up to Jerusalem to confront James, ( Jesus half brother) who was in charge of the "Mother Church?"  They had a battle over guide lines of what was to apply to this new sect., (Christians).
  James wanted the Christians to observe the same laws as applied to the Jews.  But,St. Paul says: " Jesus did not put around their necks, and He wouldn't either. When the dust settled, the three requirements were: "No fornication, (sex outside of marriage), no eating food offered to Idols, and not eating anything strangled, for by doing so, you were eating the blood of the animal, which when you did, you were eating life;  for life is in the blood.
 The animal was to be drained, before cooking.
 No culture  is without its taboos, and fascinations with blood. Primitive hunter drank the blood of vanquished foes  and the slain animals of the jungle. Blood of dying gladiators was fought over by spectators in the fervent belief that it would yield renewed strength and vigor. Blood was protective.
 Moses instructed  the beleaguered. Israelite's to sacrifice a lamb and apply its blood to the lintels and door post of their homes, " for when the Lord goes through to smite the Egyptians, He will see the blood... and the Lord will pass over the door. (Exodus 12:23).
 A similar ritual was observed in the " Moslem custom of slaughtering  camel and smearing its blood upon the "lintels" of homes to protect against evil spirits.
  Blood seals covenants, and binds contracts. In September of 1492. Pope "Innocent" lay dying; and in desperation his physicians vainly elected to give fresh blood taken from three orphan boys.
 The pope died, and the fate of the three boys is unknown n.