Page of one of the first works of Biomechanics (De Motu Animalium of Giovanni Alfonso Borelli) in the 17th century. Biomechanics is the study of the structure and function of biological systems such as humans, animals, plants, organs, and cells by means of the methods of mechanics.omparative biomechanics overlaps strongly with many other fields, including ecology, neurobiology, developmental biology, ethology, and paleontology, to the extent of commonly publishing papers in the journals of these other fields.
For other uses, see Pitbull (disambiguation). Pit bull is the common name for a type of dog. Formal breeds often considered in North America to be of the pit bull type include the American Pit Bull Terrier, American Staffordshire Terrier, American Bully, and Staffordshire Bull Terrier. The American Bulldog is also sometimes included.
The coat of the American Bully comes in a variety of colors such as fawn, chocolate, black, red and brindle variations. The only color combination not acceptable for the American Bully is Merle. The American Bully is a confident breed who is very loyal toward its family. They are courageous and have a very strong desire to please their master. The American Bully makes a great guard dog while at the same time a wonderful family companion dog.