1. Components ---nose ---pharynx ---larynx ---trachea ---bronchi ---lung

---Digestive system: Digestive tract Digestive gland

1. General description: ---Components: nerve cell: neuron Glial cell: neuroglial ---Function: Neurons : receive the stimulation, conduct the nerve impulse Glial cell: support, protect and insulate, nourish neurons

1. General description (1) components: ---cell: muscle fiber-myofiber elongated thread-liked Sarcolemma Sarcoplasm sarcoplasmic reticulum: SER

---Closed tubular system ---Blood circulatory or cardiovascular S ---Lymph vascular S

1. Cartilage: organ=Cartilage tissue+perichondrium

1. General features: （1) small number of cells and large amount of extracellular ground substance （2) extracellular is composed of fibers and amorphous ground substance-matrix （3) all of them originate from mesenchyme￾embryonal CT （4) have functions of connection, supporting, protecting, nutrition, defence and repairing

一、比较解剖学证据 二、胚胎学证据 三、细胞遗传学证据 四、生物地理学证据 五、生化与分子生物学证据

一、消化腺 二、唾液腺 三、胰腺 四、肝

概述 一、组成—鼻、咽、喉、气管、支气管、肺 二、功能 导气:鼻→肺的终末细支气管气体交换:肺的呼吸性细支气管→肺泡 嗅觉:鼻嗅部 发音:喉 内分泌:散在