一、概述1． 呼吸系统是毒物首要的靶器官有毒气体及金属烟雾或烟尘，经呼吸系统侵入人体。由于呼吸道有丰富的血液循环系统，毒物可迅速通过血液吸收而分布到全身。毒物可以损害全身各个系统，如神经系统、肝脏等，呼吸系统必然是毒物首要的靶器官。2． 直接损害呼吸系统的毒 First, an overview 1. Respiratory system is the primary target organ toxicants toxic gases and metal smoke or smoke, the respiratory system invades the body. Due to the respiratory tract is rich in blood circulation system, the poison can be rapidly absorbed through the blood and distributed to the body. Poison can damage the body’s various systems, such as the nervous system, liver, etc., the respiratory system must be the primary target organ of poison. 2. Direct damage to the respiratory system of poison