1 Do NOT remove an object such as a knife, stick, or arrow that is stuck in the body. Doing so may cause more damage and bleeding. Place pads and bandages around the object and tape the object in place.  Put pressure directly on an outer wound with a sterile bandage, clean cloth, or even a piece of clothing.
Carbon Monoxide is always lighter than air down to 32 degrees. Plus it come out of the appliance hot which would put it at the ceiling first. Warmest air in the room is at the ceiling therefore it would linger there the longest.
The Dangers of Carbon Monoxide Poisoning from a Furnace. Your furnace is a heating system that produces carbon monoxide (CO), a silent and harmful gas that can be fatal. You need to be diligent about regular furnace maintenance in order to keep your family safe from the dangers of carbon monoxide poisoning. Your unit needs to remain efficient and safe at all times.