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Suffication. It displaced oxygen in the blood stream, and attaches to the red blood cell 50 times more readily than oxygen and is hard do dislodge. In advanced cases, people with CO poisoning can not be saved even when given pure oxygen to breathe because there are almost no red blood cells available for the oxygen to attach to.

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16y ago
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12y ago

Carbon monoxide enters your bloodstream and binds with the hemoglobin in your blood, producing a new substance called carboxyhemoglobin. This new substance prevents oxygen from reaching your tissues.

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11y ago

carbon monoxide competes with oxygen when attaching to the hemoglobin in red blood cells, once CO is bound to the hemoglobin, which it has a high affinity for, it is very unlikely to release. The RBCs can no longer bind any O2, and therefore the cells are deprived of O2.

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15y ago

Carbon monoxide (CO) diminishes the bloods haemoglobin's (hemoglobin) capacity to form oxyhaemoglobin which carries oxygen to the cells. It does this by uniting with haemoglobin to form carbon monoxyhaemoglobin which is more stable than carboxyhaemoglobin.

As consequence the oxygen capacity of the blood is reduced; the cells get less oxygen. If the blood doesn't obtain and carry oxygen, then the muscles and organs never get oxygen. The organ that uses the most oxygen is the brain, and is the first to be damaged. If cells don't get adequate oxygen, then they will die. Little exposure to carbon monoxide can result in temporary brain damage that can repaired. Prolonged exposure will cause massive damage to the brain and the animal will die.

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13y ago

Carbon monoxide combines with Haemoglobin of blood to form a stable compound which doesn't decompose easily. Haemoglobin is the oxygen carrier in blood. If it gets blocked this way then oxygen can't be transported in the body. This causes suffocation and ultimately death.

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12y ago

Because the red blood cells cannot bind with oxygen.

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