The most up to date collection of scientifically based health facts.
Includes simple to understand definitions and complete references

	MAN	WOLF	SHEEP
TEETH
incisors	both jaws	both jaws	lower jaw only
molars	ridged	ridged	flat
canines	small	large	absent
JAW
movements	vertical	vertical	rotary
function	tearing-crushing	tearing-crushing	grinding
mastication	unimportant	unimportant	vital function
rumination	never	never	vital function
STOMACH
capacity	4 pints	4 pints	8 1/2 gallons
emptying time	3 hours	3 hours	never empties
inter digestive rest	yes	yes	no
bacteria present	no	no	yes - vital
protozoa present	no	no	yes - vital
gastric acidity	strong	strong	weak
cellulose digestion	none	none	70% - vital
digestive activity	weak	weak	vital function
COLON AND CAECUM
size of colon	Short - small	Short - small	Long - capacious
size of caecum	tiny	tiny	Long - capacious
function of caecum	none	none	vital function
appendix	vestigial	absent	cecum
rectum	small	small	capacious
digestive activity	none	none	vital function
cellulose digestion	none	none	30% - vital
bacterial flora	putrefactive	putrefactive	fermentative
food absorbed from	none	none	vital function
volume of feces	small - firm	small - firm	voluminous
gross food in feces	rare	rare	large amount
GALLBLADDER
size	well-developed	well-developed	often absent
function	strong	strong	weak or absent
DIGESTIVE ACTIVITY
from pancreas	solely	solely	partial
from bacteria	none	none	partial
from protozoa	none	none	partial
digestive efficiency	100%	100%	50% or less
FEEDING HABITS
frequency	intermittent	intermittent	continuous
SURVIVAL WITHOUT
stomach colon and cecum	possible / possible	possible / possible	impossible / impossible
microorganisms	possible	possible	impossible
animal protein	impossible	impossible	possible
RATIO OF BODY LENGTH TO
entire digestive tract small intestine	1:5 1:4	1:7 1:6	1:27 1:25

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