Power In The Blood

Blood has a strange power. First, it cleanses the body of impurities, draws away the pus from injured tissues and restores them. Second, it even has the power of rebuilding tissues that have been destroyed. It builds not only skin and flesh, but, as in the case of the fingernail, it has the mysterious power of reproducing structure and form and well. Third, the blood has the power of controlling the development of any part of the body, a power which reaches into the future.
 
And so it is with...