What is enamel?
The crown part of tooth is externally polished with a very hard, whitish, shiny substance called enamel.
Why is frog used for studies in our curriculum ? Explain
Frog is selected to study in our curriculum because of following reasons:-
1. It is non-poisonous and harmless creature.
2. It is easily available and inexpensive.
3. Its size is convenient for dissection in the laboratory to demonstrate its anatomy.
4. It can be kept alive without food for several days.
5.It's life cycle is simple and can be easily observed.
6. It is a good representative of vertebrates and shows many structural and functional similarities with higher vertebrates, including the human.