That is true not gaining enough exercise or using tobacco or things like that are bad
1 :an abnormal pouch<span> or sac opening from a </span>hollow organ<span> (as the colon or bladder)
2 :a blind tube or sac </span>branching<span> off from a cavity or canal of the body. the liver is an anterior diverticulum of the intestine.</span>
As his respiration became shallow, it means that he is going to have difficulty in breathing, so it is best to have a device or assistance to be placed on him, in order to assist his breathing and ventilation. It is best to insert an airway adjuct to him, in order for his breath to widen and to insert a bag mask device, to assist his ventilations.