Question

Frog and man differ from each other in the absence of
a. liver
b. pancreas
c. salivary glands
d. pituitary gland

Answer 1

Frog and man differ from each other in the absence of salivary gland.

* Frogs do not have the typical salivary gland as seen in humans and other animals.

* Normally these glands produce the saliva that helps in digestion of food.

* However, in case of frogs, they have a different type of gland inside the tongue that helps in the production of saliva.

Answer 2

Frog and man differ from each other in absence of Salivary glands.

Option C

EXPLANATION:

• Frogs belong to phylum Chordate just like humans, therefore they are much more similar to human beings in having various physiological systems as humans.
• Although humans and frogs belong to different Class, frogs belong to "Class Amphibia" and humans belong to Class Mammalia.
• The digestive system of "frogs" has well-defined organs like liver and pancreas and their functions are similar to the functions of liver and pancreas of humans.
• Also, they have 10 pair of cranial nerves, therefore a well-defined brain and nervous system along with pituitary gland.
• The only option that is not common in frog and humans is the presence of various salivary glands in humans but, the absence of any salivary glands in frogs.

To learn more salivary glands:

Discuss the role of salivary glands , liver and pancreas of digestion in human beings .

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