●●●●● Nasal Paranasal sinuses ●●●●●● 呼吸系统组成: cavIty Nose 鼻一咽一喉 Epiglotti Esophagus Trachea Left lun 气管一支气管R9 Pulmonary vessels Bronchi 肺 VAI-Intercostal Pleural muscles nembrane Diaphragm attached to diaphragm呼吸系统组成： 鼻－咽－喉 气管－支气管 肺