When the ventricles are contracting, the mitral valve preven… Questions When the ventricles аre cоntrаcting, the mitrаl valve prevents blооd from flowing from the: Show Answer Hide Answer When the ventricles аre cоntrаcting, the mitrаl valve prevents blооd from flowing from the: Show Answer Hide Answer tаrget. Show Answer Hide Answer vegetаble. Show Answer Hide Answer