Parts of Structure The Common Vein copyright 2008 “The whole organism subsists only by means of the reciprocal action of the single elementary parts”   Theodor Schwann German physiologist/biologist 1810-1882 “The cause of nutrition and growth resides not in the organism as whole but in separate elementary parts”  Theodor Schwann German physiologist/biologist 1810-1882 “Every animal is … Continue reading Parts