Comparative Anatomy Shows Humans are Vegetarian

[Guest guest]

[While many vegetarian (Herbivore) animals including Humans can consume a little

flesh now and then without falling over dead on the spot, it's still much

healthier

for Humans to stick to their natural diet of plant based foods. Rick.]

 

Comparative Anatomy Shows Humans are Vegetarian. (Herbivore)

 

Full article > http://www.vegsource.com/veg_faq/comparative.htm

 

Facial Muscles:

 

Carnivore Reduced to allow wide mouth gape

 

Herbivore Well-developed

 

Omnivore Reduced

 

Human Well-developed

 

 

 

Jaw Type:

 

Carnivore Angle not expanded

 

Herbivore Expanded angle

 

Omnivore Angle not expanded

 

Human Expanded angle

 

 

 

Jaw Joint Location:

 

Carnivore On same plane as molar teeth

 

Herbivore Above the plane of the molars

 

Omnivore On same plane as molar teeth

 

Human Above the plane of the molars

 

 

 

Jaw Motion:

 

Carnivore Shearing; minimal side-to-side motion

 

 

Herbivore No shear; good side-to-side,

front-to-back

 

Omnivore Shearing; minimal side-to-side

 

Human No shear; good side-to-side, front-to-back

 

 

 

Major Jaw Muscles:

 

Carnivore Temporalis

 

Herbivore Masseter and pterygoids

 

Omnivore Temporalis

 

Human Masseter and pterygoids

 

 

 

Mouth Opening vs Head Size:

 

Carnivore Large

 

Herbivore Small

 

Omnivore Large

 

Human Small

 

 

 

Teeth (Canines):

 

Carnivore Long, sharp and curved

 

Herbivore Dull and short or long (for defense), or

none

 

Omnivore Long, sharp and curved

 

Human Short and blunted

Teeth (Incisors)Carnivore: Short and pointedHerbivore: Broad, flattened and

spade shapedOmnivore: Short and pointedHuman: Broad, flattened and spade shaped

 

Teeth (Molars):

 

Carnivore

Sharp, jagged and blade shaped

 

Herbivore Flattened with cusps vs complex surface

 

 

Omnivore Sharp blades and/or flattened

 

Human Flattened with nodular cusps

 

 

Chewing:

 

Carnivore None; swallows food whole

 

Herbivore Extensive chewing necessary

 

Omnivore Swallows food whole and/or simple

crushing

 

Human Extensive chewing necessary

 

 

 

Saliva:

 

Carnivore No digestive enzymes

 

Herbivore Carbohydrate digesting enzymes

 

Omnivore No digestive enzymes

 

Human Carbohydrate digesting enzymes

 

 

 

Stomach Acidity:

 

Carnivore Less than or equal to pH 1 with food in

stomach

 

Herbivore pH 4 to 5 with food in stomach

 

Omnivore Less than or equal to pH 1 with food in

stomach

 

Human pH 4 to 5 with food in stomach

 

 

 

Stomach Type:

 

Carnivore Simple

 

Herbivore Simple or multiple chambers

 

Omnivore Simple

 

Human Simple

 

 

 

Stomach Capacity:

 

Carnivore 60% to 70% of total volume of digestive

tract

 

Herbivore Less than 30% of total volume of

digestive tract

 

Omnivore 60% to 70% of total volume of digestive

tract

 

Human 21% to 27% of total volume of digestive

tract

 

 

 

Length of Small Intestine:

 

Carnivore 3 to 6 times body length

 

Herbivore 10 to more than 12 times body length

 

 

Omnivore 4 to 6 times body length

 

Human 10 to 11 times body length

 

 

 

Colon:

 

Carnivore Simple, short and smooth

 

Herbivore Long, complex; may be sacculated

 

Omnivore Simple, short and smooth

 

 

 

 

 

 

 

Human Long, sacculated

 

 

 

 

Liver:

 

Carnivore Can detoxify vitamin A

 

Herbivore Cannot detoxify vitamin A

 

Omnivore Can detoxify vitamin A

 

Human Cannot detoxify vitamin A

 

 

 

Kidney:

 

Carnivore Extremely concentrated urine

 

Herbivore Moderately concentrated urine

 

Omnivore Extremely concentrated urine

 

Human Moderately concentrated urine

 

 

 

Nails:

 

Carnivore Sharp claws

 

Herbivore Flattened nails or blunt hooves

 

Omnivore Sharp claws

 

Human Flattened nails