动物的呼吸作用Animal Respiration magic experiment What made the limewater become cloudy ？ Carbon dioxide. What did this experiment show? Exhaled air contains much more carbon dioxide. Animal Respiration有机物（有机物（储能储能））++氧气氧气能量能量++++二氧化碳二氧化碳水水线粒体线粒体organicorganic(stored (stored energy)energy)++oxygoxygenenenerenergygy++++carbon carbon dioxiddioxideewatwaterermitochondriamitochondria 呼吸系统鼻咽气管 肺支气管呼吸道 12345喉6 Respiratory system Nose Pharynx Larynx/throat Trachea/windpipe Bronchia/bronchus Lung 鼻 咽 喉 气管 支气管 肺 呼吸系统鼻咽气管 肺支气管呼吸道 12345喉6 A poor couple gave birth to a baby, but the baby died soon. When the police asked, the couple said that the baby was a stillbirth( 死婴 ). But the doctor found that the baby’s lung tissue could float above the water when it was put into water. Several diving enthusiasts went to dive together. unfortunately, one of them-John died. The Policemen checked his oxygen barrel( 氧气筒 ) and discovered that there was still lots of pure oxygen left, while there’s only little air left in the others’ barrel. So the police said: “John was murdered, and the murderer’s among the rest of you.” What’s the difference between their nose?安南施罗德 前面观后面观咽—气管和食道的共同的开口处会厌软骨 会厌软骨—灵巧的开关会厌软骨气管食道 胸廓—肺之家膈右侧的胸腔左侧的胸腔 胸廓—肺之家肋骨胸骨脊柱胸廓胸廓包围着肺 肺—气体交换的场所支气管毛细血管肺泡 呼吸道对空气处理的三重功效清洁清洁温暖温暖湿润湿润
