But most martial arts have real world applications though, though ground fighting is something that should be avoided as much as possible, because asphalt + possibly glass shards is not a good combo for your health.
Why do dogs sniff? Dogs sniff to identify, for the majority of cases it is to sniff whether or not there is danger. A dogs sense of smell is much greater than that of a human being and it can smell things from a further away distance than many other animals as well as humans.
If you're dog's hoarseness comes on suddenly, it may be due to a respiratory infection such as kennel cough. Respiratory infection usually is accompanied by coughing or labored breathing. If your dog isn't coughing, look in your dog's throat with a flashlight, noticing any areas of irritation or coating on the tissues.