When you gain a pound of fat, your body makes seven new miles of blood vessels. This means your body must work harder to pump blood through all of these extra new vessels, which may put a strain on your heart, and may reduce oxygenation and nutrient replenishment in other tissues.
Panting is a sign that your dog is excited, hot, or both. But panting is also a warning sign. If your dog is taking a break from exercise and continues to pant heavily, this could be a sign of heatstroke â a medical emergency. Move your dog to a cool spot or indoors immediately.
If a dog is panting and trembling, it means that they're anxious and/or terrified. You should back off, remove the source of stress, and help doggie feel better. Stress Signs in Dogs. Signs of Anxiety. When anxiety strikes your pooch.