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![]() | gastro-/gastric = stomach |
![]() | gut = the digestive tube |
Main digestive system functions
![]() | prehension (grasping) and mastication
(chewing) to obtain nutrients |
![]() | digestion - breaking down nutrients into
simpler compounds |
![]() | absorption of simple compounds through the gut
wall into the blood and lymph |
![]() | excretion of non-usable wastes and metabolic byproducts |
Effect of diet - Animal digestive systems have adapted to the foods usually eaten by their species.
Structure of the digestive tube
Parts of the digestive system