Facial Muscles
Carnivore | Reduced to allow wide mouth gape |
Omnivore | Reduced |
Herbivore | Well developed |
Human | Well developed |
Jaw Motion
Carnivore | Shearing; minimal side-to-side motion |
Omnivore | Shearing; minimal side-to-side motion |
Herbivore | No shear; good side-to-side, front-to-back |
Human | No shear; good side-to-side, front-to-back |
Teeth (Incisors)
Carnivore | Short and pointed |
Omnivore | Short and pointed |
Herbivore | Broad, flattened, and spade-shaped |
Human | Broad, flattened, and spade-shaped |
Teeth (Canines)
Carnivore | Long, sharp, and curved |
Omnivore | Long, sharp, and curved |
Herbivore | Dull and short or long (for defense) or none |
Human | Short and blunted |
Teeth (Molars)
Carnivore | Sharp, jagged, and blade-shaped |
Omnivore | Sharp blades and/or flattened |
Herbivore | Flattened with cusps vs. complex surface |
Human | Flattened with nodular cusps |
Chewing
Carnivore | None; swallows food whole |
Omnivore | Swallows food whole and/or simple crushing |
Herbivore | Extensive chewing necessary |
Human | Extensive chewing necessary |
Saliva
Carnivore | No digestive enzymes |
Omnivore | No digestive enzymes |
Herbivore | Carbohydrate-digesting enzymes |
Human | Carbohydrate-digesting enzymes |
Stomach Acidity
Carnivore | Less than or equal to pH of 1 with food in stomach |
Omnivore | Less than or equal to pH of 1 with food in stomach |
Herbivore | pH of 4 to 5 with food in stomach |
Human | pH of 4 to 5 with food in stomach |
Length of Small Intestine
Carnivore | 3 to 6 times body length |
Omnivore | 4 to 6 times body length |
Herbivore | 10 to more than 12 times body length |
Human | 10 to 11 times body length |
Nails
Carnivore | Sharp claws |
Omnivore | Sharp claws |
Herbivore | Flattened nails or blunt hooves |
Human | Flattened nails |
Here are some quotes by educated proffesionals on the subject:
"You can't tear flesh by hand, you can't tear hide by hand. Our anterior teeth are not suited for tearing flesh or hide. We don't have large canine teeth, and we wouldn't have been able to deal with food sources that require those large canines." - Dr. Richard Leakey, a renowned anthropologist
Ask yourself: When you see dead animals on the side of the road, are you tempted to stop for a snack? Does the sight of a dead bird make you salivate? Do you daydream about killing cows with your bare hands and eating them raw? If you answered "no" to all of these questions, congratulations—you're a normal human herbivore—like it or not. Humans were simply not designed to eat meat. Humans lack both the physical characteristics of carnivores and the instinct that drives them to kill animals and devour their raw carcasses. - www.goveg.com
"Nothing will benefit human health and increase the chances for survival on Earth as much as the evolution to a vegetarian diet." - Albert Einstein
"A low-fat, plant-based diet would not only lower the heart attack rate about 85 percent, but would lower the cancer rate 60 percent." - William Castelli, M.D
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Part 2 - The Dangers of Meat
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