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 Form 2 Biology transport in animals questions and answers

Why is a burning charcoal stove in a poorly ventilated room likely to cause death of the inhabitants?

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Answer Text:
- Burning charcoal in limited supply of air produces carbon (II) oxide which accumulates to high levels in a room. Haemoglobin has a higher affinity for carbon (II) oxide, they combine to form carboxyhaemoglobin which does not easily dissociate. This reduces the capacity of haemoglobin to carry
oxygen, thereby causing suffocation. It is respiratory poisonous if breathes for long