How to make sure puppies are healthy?

Eyes: should be clear and bright, with no sign of dirt or redness. Ears: should be clean with no smell or signs of wax inside that could mean ear mites. Nose: should be cold and slightly wet, with wide open nostrils. Breathing: should be quiet and effortless with no snoring, coughing, grunting or wheezing. Skin: should be clean, dry, with no signs of soreness or folds that can become infected. Mouth: should be clean, with white teeth and pink healthy gums. Fur: should be shiny and soft with no sign of fleas. Legs: should be strong and sturdy, with no limping or difficulty walking. Bottom: clean and dry under the tail. Ribs: not visible.