biology 2

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Created by: JemmaRobertson
Created on: 29-05-15 11:23

how do teeth sed for digestion

mchanical digestion, break larger food into smaller food provide a large surface area for digestion

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dentition in herbivore

jaw provides a motion to grind food, insiders chew grass and tongue churns grass

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dentktion in carnivores

have canine teeth to chew meet, jaw opens horizontally to lock onto food and teeth tear trough food

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describe what ruminents do and how they over come it

dont have enzymes to digest cellulose from the grass, they provide an suitble enviroment for bacteria in return the dugest the cellulose

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how maby chambers does a rumenen have

4 chambers, 3 in oesphogus and 1 amin stomafh

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describe cellulose digestion

cow eats grass grass and cud is swalloed, in the rumen the cud is broken down to glucose by digestive enzymes which provide energy for the cow, and co2 diffuses out,the cud is passes to the second chamber before being regurgitated and chewed, i

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what happens to the cud when enters thurd chamber

cd enters the third cahmeber and and water is reabsorbed, the cud passes into fourth chamber and proteins are difested and then goes into small intestine where products are absorbed

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