I think the internal organs of the frog have many working examples that are similar to the work of the internal organs of a man. To know a little bit of work principle of the internal organs of a man.
I think that the internal organs of the frog are many different jobs that are very similar to the function of human organs. I know the rough work of human internal organs.
I think the internal organs of the frog has worked many things as similar to the work of the internal organs of man. The working principle of the internal organs to know roughly human.