Freeze to death, the bodies of cyanide poisoning, because of their use of oxygen in insufficient blood contains more oxyhemoglobin, it emerged its skin through the Shiban was bright red.

• 冻死、氰化物中毒的尸体，因其体内氧利用不足，血液中含有较多的氧合血红蛋白，故其透过皮肤呈现出来的尸斑呈鲜红色。