Because some of the organ-system icons may be confusing, they are explained below.

	Alcohol	Martini glass with olive
	Anthropometrics	Measuring bars next to a person
	Atherosclerosis	Section of a blood vessel, with a patch of atherosclerosis
	Blood	A test-tube, half-filled with blood
	Cancer	Something that starts small and grows larger
	Death	Tombstone
	Doctor	Rod and serpent of Aesculapius
	Ear	Left external ear
	Endocrine	Thyroid gland sending a message to another gland
	Energy	Lightning bolt
	Eye	Right eye
	Family history	Simple pedigree diagram
	Gastrointestinal	The large intestine
	Hair	Hair on the top of the skull, standing on end
	Heart	Valentine
	Infections	Person standing in a cloud of bacteria and other infectious agents
	Liver	Anterior view of liver
	Lungs	Anterior view of lungs
	Miscellaneous	Abbreviation for "miscellaneous"
	Musculoskeleton	Muscle fibers [really poor]
	Neurology	View of the brain's left side
	Oral	Smile, showing the top teeth
	Psychiatry	Greek letter psi
	Reproductive	Symbols for male and female
	Skin	Layers of skin, with a hair growing out
	Sleep	Sleeping person, with eyes closed
	Tobacco	Smoke rising from a cigarette
	Trauma	Two crossed swords (hey, I like this one!)
	Unknown	Question mark
	Urologic	Kidneys, with ureters leading down to the bladder