I think it might be proteins
To see if there is need for the heimlich maneuver to open the obstructed airway <span />
Answer:
When a child is choking and can't breathe or speak, you MUST give abdominal thrusts (the Heimlich maneuver). The Heimlich maneuver pushes air from the child's lungs which helps to remove the blocking object. You should give abdominal thrusts until the object is forced out or the victim becomes unresponsive.
Explanation:
