Business Insider asked veterinarians about the best and worst ways to play with a pet. br Allowing your pet to play with inappropriate toys is dangerous.br Using the wrong-sized ball for playtime can be a choking hazard.br Not taking breaks can lead to exhaustion or injury.br Don't tease your dog by withholding toys.br Playing with your pet on a humid day can lead to heatstroke.br Not playing enough is a common pet-care mistake.