rats anatomy

It is the smelliest than sharks and frogs. The smell made me feel dizzy. Its blood vessels are so thin that let us feel difficult and terrible do it. Because if we cut of one of vessels, we will lost ten points. So you could think our eyes would be affected. We experimented female and male rats in order to learn their different organs of generation. There is a special thing is rats do not have Gall bladder. In the end, no one did not feel tired.