Explanation:
The tongue is defined as a muscular organ, present in mouth that helps in mastication and swallowing of food. ... The front part of the tongue is narrow and thin whereas the back part of the tongue is wide.
Answer:
Class Monogenea
This is one of the largest groups of flatworms whose members as almost exclusively parasites of aquatic vertebrates (ectoparasites).
Ok 1234567891011121314151617181920
