人的呼吸思维导图

《人的呼吸思维导图》

一、呼吸系统的构成 (Anatomy)

1. 上呼吸道 (Upper Respiratory Tract)

  • 鼻腔 (Nasal Cavity)
    • 功能 (Functions):
      • 过滤空气 (Air Filtration)
        • 鼻毛 (Nasal Hairs): 阻挡较大颗粒 (Traps Larger Particles)
        • 黏液 (Mucus): 黏附灰尘和细菌 (Adheres Dust and Bacteria)
      • 湿润空气 (Air Humidification)
        • 黏膜 (Mucous Membrane): 增加空气湿度 (Increases Air Humidity)
      • 加温空气 (Air Warming)
        • 丰富的血管 (Rich Blood Supply): 加热吸入的空气 (Warms Inhaled Air)
      • 嗅觉 (Olfaction): 嗅觉感受器 (Olfactory Receptors)
    • 结构 (Structure):
      • 鼻前庭 (Nasal Vestibule)
      • 鼻腔 (Proper Nasal Cavity)
      • 鼻中隔 (Nasal Septum)
      • 鼻甲 (Nasal Conchae)
        • 咽 (Pharynx)
    • 功能 (Functions):
      • 空气和食物的通道 (Passageway for Air and Food)
      • 发声 (Phonation)
    • 结构 (Structure):
      • 鼻咽 (Nasopharynx)
        • 咽鼓管开口 (Opening of Eustachian Tube)
      • 口咽 (Oropharynx)
        • 扁桃体 (Tonsils)
      • 喉咽 (Laryngopharynx)
        • 喉 (Larynx)
    • 功能 (Functions):
      • 发声 (Phonation): 声带振动 (Vocal Cord Vibration)
      • 防止异物进入气管 (Prevention of Foreign Objects Entering Trachea)
        • 会厌 (Epiglottis): 吞咽时覆盖气管 (Covers Trachea During Swallowing)
    • 结构 (Structure):
      • 甲状软骨 (Thyroid Cartilage)
      • 环状软骨 (Cricoid Cartilage)
      • 会厌软骨 (Epiglottic Cartilage)
      • 声带 (Vocal Cords)

2. 下呼吸道 (Lower Respiratory Tract)

  • 气管 (Trachea)
    • 功能 (Functions):
      • 空气通道 (Air Passage)
    • 结构 (Structure):
      • C型软骨环 (C-Shaped Cartilage Rings): 保持气管开放 (Keeps Trachea Open)
      • 纤毛上皮细胞 (Ciliated Epithelial Cells): 清除异物 (Clears Foreign Objects)
        • 支气管 (Bronchi)
    • 功能 (Functions):
      • 空气通道 (Air Passage)
    • 结构 (Structure):
      • 主支气管 (Main Bronchi)
        • 左支气管 (Left Bronchus)
        • 右支气管 (Right Bronchus)
      • 叶支气管 (Lobar Bronchi)
      • 段支气管 (Segmental Bronchi)
      • 细支气管 (Bronchioles)
        • 肺 (Lungs)
    • 功能 (Functions):
      • 气体交换 (Gas Exchange)
    • 结构 (Structure):
      • 肺泡 (Alveoli): 气体交换的场所 (Site of Gas Exchange)
      • 肺泡毛细血管 (Alveolar Capillaries): 血液与肺泡进行气体交换 (Gas Exchange Between Blood and Alveoli)
      • 肺叶 (Lobes)
        • 左肺 (Left Lung): 2个肺叶 (2 Lobes)
        • 右肺 (Right Lung): 3个肺叶 (3 Lobes)
      • 胸膜 (Pleura): 包裹肺的膜 (Membrane Covering the Lungs)
        • 脏层胸膜 (Visceral Pleura)
        • 壁层胸膜 (Parietal Pleura)
        • 胸膜腔 (Pleural Cavity)

二、呼吸过程 (Physiology)

1. 肺通气 (Pulmonary Ventilation)

  • 吸气 (Inspiration)
    • 原理 (Mechanism):
      • 呼吸肌收缩 (Contraction of Respiratory Muscles)
        • 膈肌 (Diaphragm): 下降 (Descends)
        • 肋间外肌 (External Intercostal Muscles): 收缩 (Contracts)
      • 胸腔容积增大 (Increase in Thoracic Volume)
      • 肺内压下降 (Decrease in Intrapulmonary Pressure)
      • 空气进入肺 (Air Enters Lungs)
        • 呼气 (Expiration)
    • 原理 (Mechanism):
      • 呼吸肌舒张 (Relaxation of Respiratory Muscles)
        • 膈肌 (Diaphragm): 上升 (Ascends)
        • 肋间外肌 (External Intercostal Muscles): 舒张 (Relaxes)
      • 胸腔容积减小 (Decrease in Thoracic Volume)
      • 肺内压升高 (Increase in Intrapulmonary Pressure)
      • 空气排出肺 (Air Exits Lungs)
        • 呼吸频率 (Respiratory Rate)
    • 每分钟呼吸次数 (Number of Breaths per Minute)
    • 正常范围 (Normal Range): 12-20 次/分钟 (12-20 breaths/minute)
      • 潮气量 (Tidal Volume)
    • 每次呼吸进入或排出肺的气体量 (Volume of Air Inhaled or Exhaled During a Normal Breath)
    • 正常范围 (Normal Range): 约 500 毫升 (Approximately 500 ml)

2. 气体交换 (Gas Exchange)

  • 肺泡内的气体交换 (Alveolar Gas Exchange)
    • 原理 (Mechanism):
      • 气体分压差 (Partial Pressure Gradient)
      • 氧气 (Oxygen): 从肺泡进入血液 (From Alveoli to Blood)
      • 二氧化碳 (Carbon Dioxide): 从血液进入肺泡 (From Blood to Alveoli)
        • 组织内的气体交换 (Tissue Gas Exchange)
    • 原理 (Mechanism):
      • 气体分压差 (Partial Pressure Gradient)
      • 氧气 (Oxygen): 从血液进入组织细胞 (From Blood to Tissue Cells)
      • 二氧化碳 (Carbon Dioxide): 从组织细胞进入血液 (From Tissue Cells to Blood)

3. 气体运输 (Gas Transport)

  • 氧气运输 (Oxygen Transport)
    • 方式 (Modes):
      • 结合血红蛋白 (Bound to Hemoglobin): 主要方式 (Major Mode)
      • 溶解在血浆中 (Dissolved in Plasma): 少量 (Small Amount)
        • 二氧化碳运输 (Carbon Dioxide Transport)
    • 方式 (Modes):
      • 溶解在血浆中 (Dissolved in Plasma): 约 7% (About 7%)
      • 结合血红蛋白 (Bound to Hemoglobin): 约 23% (About 23%)
      • 以碳酸氢根离子形式运输 (As Bicarbonate Ions): 约 70% (About 70%)

三、呼吸调节 (Regulation)

1. 神经调节 (Neural Control)

  • 呼吸中枢 (Respiratory Centers)
    • 位置 (Location): 脑干 (Brainstem)
    • 种类 (Types):
      • 延髓呼吸中枢 (Medullary Respiratory Center)
        • 背侧呼吸组 (Dorsal Respiratory Group, DRG): 主要负责吸气 (Primarily Responsible for Inspiration)
        • 腹侧呼吸组 (Ventral Respiratory Group, VRG): 参与强力呼吸 (Involved in Forced Breathing)
      • 脑桥呼吸中枢 (Pontine Respiratory Center)
        • 呼吸调整中枢 (Pneumotaxic Center): 调节呼吸频率和深度 (Regulates Respiratory Rate and Depth)
        • 长吸中枢 (Apneustic Center): 促进吸气 (Promotes Inspiration)
          • 反射 (Reflexes)
    • 肺扩张反射 (Hering-Breuer Reflex): 防止肺过度扩张 (Prevents Overinflation of the Lungs)
    • 咳嗽反射 (Cough Reflex): 清除呼吸道异物 (Clears Foreign Objects from the Airways)
    • 喷嚏反射 (Sneeze Reflex): 清除鼻腔异物 (Clears Foreign Objects from the Nasal Cavity)

2. 化学调节 (Chemical Control)

  • 化学感受器 (Chemoreceptors)
    • 位置 (Location):
      • 中枢化学感受器 (Central Chemoreceptors): 位于延髓 (Located in Medulla)
      • 外周化学感受器 (Peripheral Chemoreceptors): 位于颈动脉体和主动脉体 (Located in Carotid and Aortic Bodies)
    • 感受的刺激 (Stimuli):
      • 血浆中二氧化碳浓度 (Plasma CO2 Concentration)
      • 血浆中氢离子浓度 (Plasma H+ Concentration)
      • 血浆中氧气浓度 (Plasma O2 Concentration): 仅在极低水平时起作用 (Only Effective at Very Low Levels)
        • 调节机制 (Regulatory Mechanisms):
    • 二氧化碳浓度升高 (Increased CO2 Concentration): 刺激呼吸中枢,增加呼吸频率和深度 (Stimulates Respiratory Centers, Increases Respiratory Rate and Depth)
    • 氢离子浓度升高 (Increased H+ Concentration): 刺激呼吸中枢,增加呼吸频率和深度 (Stimulates Respiratory Centers, Increases Respiratory Rate and Depth)
    • 氧气浓度降低 (Decreased O2 Concentration): 刺激外周化学感受器,增加呼吸频率 (Stimulates Peripheral Chemoreceptors, Increases Respiratory Rate)

四、影响呼吸的因素 (Factors Affecting Respiration)

1. 物理因素 (Physical Factors)

  • 温度 (Temperature)
    • 疼痛 (Pain)
    • 情绪 (Emotions)
    • 运动 (Exercise)

2. 病理因素 (Pathological Factors)

  • 呼吸系统疾病 (Respiratory Diseases)
    • 哮喘 (Asthma)
    • 慢性阻塞性肺疾病 (COPD)
    • 肺炎 (Pneumonia)
    • 肺癌 (Lung Cancer)
      • 神经系统疾病 (Neurological Diseases)
      • 药物 (Drugs)

五、呼吸相关疾病 (Respiratory Diseases)

1. 阻塞性肺疾病 (Obstructive Lung Diseases)

  • 哮喘 (Asthma)
    • 慢性阻塞性肺疾病 (COPD)
      • 慢性支气管炎 (Chronic Bronchitis)
      • 肺气肿 (Emphysema)

2. 限制性肺疾病 (Restrictive Lung Diseases)

  • 肺纤维化 (Pulmonary Fibrosis)
    • 胸廓畸形 (Thoracic Deformities)

3. 感染性肺疾病 (Infectious Lung Diseases)

  • 肺炎 (Pneumonia)
    • 肺结核 (Tuberculosis)

4. 肺血管疾病 (Pulmonary Vascular Diseases)

  • 肺栓塞 (Pulmonary Embolism)
    • 肺动脉高压 (Pulmonary Hypertension)

5. 肺癌 (Lung Cancer)

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