Historical Examples. 1  But this is insecure ground, and the meaning can but be guessed at. 2  He realized that his tenure was insecure, and he dreaded exposure. 3  Her foot slipped from its insecure rock hold and she stumbled. 4  He left her with the feeling that the foundations70 of life, as she was leading it, were insecure.
Carbon monoxide poisoning is caused by inhaling combustion fumes. When too much carbon monoxide is in the air you're breathing, your body replaces the oxygen in your red blood cells with carbon monoxide. This prevents oxygen from reaching your tissues and organs. Various fuel-burning products and engines produce carbon monoxide.
guide a carbon monoxide blood test is used to detect carbon monoxide poisoning poisoning can happen if you breathe air that contains too much carbon monoxide co this gas has no color odor or taste so you can t tell when you are breathing itthe test measures the amount of hemoglobin in your blood that has bonded with carbon monoxidecarbon monoxide can come from any source that burns fuel common sources are cars fireplaces powerboats woodstoves kerosene space heaters charcoal grills and gas appliances such as water heaters and ovens carbon monoxide blood test is used to detect carbon monoxide poisoning poisoning can happen if you breathe air that contains too much carbon monoxide co