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.
Many people know that carbon monoxide is a toxic gas. It is colorless, odorless, and tasteless. Carbon monoxide can be produced from the incomplete combustion of hydrocarbons when oxygen supply is insufficient. Town gas contains 3% of carbon monoxide. If there is gas leakage, carbon monoxide poisoning may occur. Do you know why is carbon monoxide so dangerous? Because carbon monoxide has much higher tendency to bind with hemoglobin in blood than oxygen does.