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(A) The digestive system is the only system in the human body that is derived from all three germ layers: Ectoderm,Mesoderm,and Endoderm.- The lining

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Digestive system

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(A) The digestive system is the only system in the human body that is derived from all three germ layers: Ectoderm,Mesoderm,and Endoderm.- The lining of the mouth and the anal canal is derived from the Ectoderm.- The muscular and connective tissue layers of the digestive tract are derived from the Mesoderm.- The epithelial lining of the entire gastrointestinal tract and associated glands (like the liver and pancreas) is derived from the Endoderm.

Column-$I$	Column-$II$
$P$. Thecodont	$I$. Human possesses four types of teeth
$Q$. Diphyodont	$II$. Permanent teeth replace milk teeth
$R$. Heterodont	$III$. Human teeth are embedded in the jaw bone

The only human system that is derived from all the three germ layers is

Similar Questions

The length of the alimentary canal is longer in herbivorous animals than in carnivorous animals because:

In the jaw of an adult human,which teeth are equal in number?

Match the following columns:

Column-$I$ Column-$II$

$P$. Thecodont $I$. Human possesses four types of teeth

$Q$. Diphyodont $II$. Permanent teeth replace milk teeth

$R$. Heterodont $III$. Human teeth are embedded in the jaw bone

Liver is located on . . . . . . in the human body.

Symbiotic bacteria present in the colon of the large intestine of humans produce:

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