As owners, we certainly can know whether our favorite dog is healthy or sick from his movements. To be sure it requires a full examination of the dog's body.

Dog body temperature ranges from 38-39 degrees Celsius with a range of 0.9 degrees Celsius and above.
The dog breathes 15-20 times in a relaxed state.
The dog's heart beats between 80-120 times per minute also in a relaxed state
The gums are red.

The eyes are swollen, the white part of the cornea becomes reddish.
Nose Extend excessive fluids continuously. The liquid may be clear or have a yellowish-green color.
Ears There is excessive waste, odor, itching.
Breath Breathe too soon or wheeze as it runs out, breathing irregularly.
Digestion More than 2 days do not defecate, too frequent bowel movements, liquid stool form, stool smell is not as usual, there is a red mucus like blood in the stool.
Body fluids: dogs do not want to drink, water colored old, often / seldom urinate.
Fur & skin feathers fall in excessive amounts, feather color fades or discolor, scratching routine even to rub against skin on rough walls or floors, reddish skin such as inflammation or abrasions, skin red spots or pox spots appear.
Appetite Would not eat in more than 2 days, look no.