The Comparative Anatomy of Eating
a fascinating read, recommended for anyone who wants food for thought :thumbs up
[url]http://www.geocities.com/RainForest/2062/ana.HTML[/url] [QUOTE]Summary 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: Incisors CARNIVORE: Short and pointed HERBIVORE: Broad, flattened and spade shaped OMNIVORE: Short and pointed HUMAN: Broad, flattened and spade shaped 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: 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 Type CARNIVORE: Simple HERBIVORE: Simple or multiple chambers OMNIVORE: Simple HUMAN: Simple 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 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 [/QUOTE] |
awesome post TD, this is the stuff that i mentioned when we had the vegetarian dog discussion, i just couldnt quote it the exacts of it
thanks so much for posting i think its a great educational too to be on here |
michelle i'm glad you found it useful! :goodvibes:
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Interesting for humans too.
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Very interesting indeed. Thanks for posting. :)
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Interesting indeed.thanks for posting.
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