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DIGESTIVE SYSTEM OF THE REPTILES

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by

Todos Palenque

on 10 December 2014

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Transcript of DIGESTIVE SYSTEM OF THE REPTILES

The parts in their digestive system
Mouth and tounge
Salival glands
Theeths
Esophagus
Pharinx
Small intestine
Large intestine
Reptiles digestion
Most of the reptiles are insectivorous or carnivorous. Their digestion is slower than in mammals. Some of them can live a long period of time with out eating. For example the snakes eat a big pray; they spend 1 week digesting itand they can pass 2 more weeks with out eating again, that makes 1 month without eating.
Stomach
It is a dilatation of the digestive tube, in there the food is stored while it is passed into the intestine.
The stomach througs some especial liquids that help to digest the food.


The Pharinx and the Esophagus
The pharinx is a muscular tube that comunicates the digestive system with the respiratoy system. During digestion it closes and prevents that food goes into the reptile´s lungs.
The esophagus is also a muscle and helps food or ''cud'' to move into the stomach of the reptile.
First we want you to know the anatomy of a reptile
Reptiles have many parts of their bodies like humans, thay have brain,lungs,thrachea and their digestive sistem is very similar to human´s. But we want to focus on their digestive system. These are some parts of it:
Table of comparison
DIGESTIVE SYSTEM OF THE REPTILES
SAMUEL CAÑAS
SANTIAGO GALLEGO
DANIEL CAMARGO

Intestines
The intestines of the reptiles are divided in 2:
Large intestine and small intestine
Into the intestines there are 4 different functions:
Chemic digestion of all the food
The absortion of those nutrients
The liver throws billis
the pancreas througths pancreatic juice
Functions
Frogs
Crocodilles
Snakes
Turtles
Thank you very much
Snakes' digestion
The oral cavity may enlarge to swallow large pray
thanks to the lack of attachment of the mandible,
Snakes do no chew their pray, they swallow it whole.
The saliba of the snakes have reach enzymes that help to break down the food. The saliba also contains poison or venom.

PRINCIPAL CHARACTERISTICS
Are terrestial vertebrates with body usually covered by scales.
They are cold blooded.
They have pulmonary and skin breathing.
Full transcript