human anatomy of the human intestines and digestive organs. of the human intestine collection. hand drawn engraved il

abdomen anatomical anatomy ancient anger antique aorta biology black bladder body bone cecum crossbones digestive education engraved etching fashioned gland halloween health healthcare history human illustration image infection intelligence internal intestinal intestine large liver lung lungshan medicine mental model nervous old organ pancreas rectum science sciences skeleton skull small spine spinosum spleen stomach stomachache system technique technology temple tract verrumicrobium white