the refrigerator are a whole of the respiratory forms
lung is respiratory_organ. mammal_respiratory_tract is body_part. respiratory_tract is internal_body_part. lower_respiratory_tract is body_part. pneumonia_respiratory_complication is respiratory_disease. respiratory_system is body_part. cooler is refrigerator. fridge is refrigerator. beverage_refrigerator is refrigerator. respiratory_tract is body_part.