Comparative morphology forces us to examine organized beings from a multitude of points of view, and must go hand in hand with the study of man. The structure known as anatomy and physiology of the animal's body have been singularly advanced by the discoveries that have been made on animals. Nature has endowed animals with various qualities by their destination and each presents a distinct character with organization which is simple and reduced. The analogy between animals and animals is such proof that it has been universally recognized. Under a small volume, a structure of different complicated system and important organs will be illustrated in this area of morphology.
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