Intro:
Hello!!! Princess Sakura here ^^
Explanation:
True because the mouse would be able to blend in with the tan environment and get away from its predators.
 
        
             
        
        
        
Where the word Prosth it is The mouth
Above that empty one is the brain
Beside the mouth empty box is Nephridia
Beside that is The ventral nerve cord
Beside that is the ventral blood Vessel
Beside that is Esophagus
* When i say beside that it is going left the way of the word before.
Hope it helps. Please comment if you are confsed