History of dogs

Info about dogs: When dogs look at other dogs or objects they look at their left or right side. All dog barks have the same meaning. Normal dogs are related to wolfs more than any other species. If you point at something dogs think of it as a signal to go there. If you are looking at something dogs understand you are looking at that thing.Dogs and wolfs blood is 99.8 percent similar. And last if you have dogs it help you lower your blood pressure and helps you live longer.