The external and internal nares are pretty interesting due to the fact that not alot of people know about that structure. Also the nictitating membrane is interesting as welll.
frog legs
The anus.
Their lungs and diaphragm
It is the tongue.
Circulatory system
The digestive system.
I think it is part of the digestive system.
It's part of your body
the color and enourmous size of its eyes are interesting.
it adapts
It would face oblivion!
The heart is ALWAYS a part of the circulatory system.