| Carnivore (Meat Eater) | Herbivore (Vegetarian) | Great Apes People | |
| Claws | No Claws | No Claws | |
| Sharp front teeth for tearing and NO flat molar teeth for grinding food | NO sharp front teeth but flat molar teeth for grinding food | NO sharp front teeth but flat molar teeth for grinding food | |
| Small salivary glands since saliva not needed for plants | Well-developed salivary glands (needed for predigestion of plants) | Well-developed salivary glands (same comment) | |
| Acid saliva with NO enzyme ptyalin to pre-digest grains | Alkalaine saliva with plenty enzyme ptyalin to pre-digest grains | Alkalaine saliva with plenty enzyme ptyalin to pre-digest grains | |
| Strong hydrochloric acid to digest tough animal muscle, bone and other tissue | Weak hydrochloric acid (about 1/20th that of carnivores) | Weak hydrochloric acid (same comment) | |
| Intestinal tract only a few times body length so rapidly decaying meat can pass through quickly | Intestinal tract 10 to 12 times body length (plant matter decays more slowly and takes longer to pass through) | Intestinal tract 10 to 12 times body length (same comment) | |
| Has no skin pores and perspires through tongue | Perspires through skin pores | Perspires through skin pores |
Are You Herbivore or are You Carnivore ?
Based on a chart by A.D. Andrews, Fit Food for Men
(Chicago American Hygiene Society, 1970)