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![['DSE生物：Inhalation & Exhalation 快速掌握 | 朗林生物 | HKDSE補習 吸氣過程, 呼氣過程, 朗林生物']](data:image/svg+xml;base64,PHN2ZyB2aWV3Qm94PSIwIDAgMjgwIDI4MCIgd2lkdGg9IjI4MCIgaGVpZ2h0PSIyODAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PC9zdmc+ "HKDSE生物Inspiration：點燃考試靈感，朗林生物助你逆轉勝！ | #HKDSE生物 #朗林生物 #生物Inspiration 1")
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HKDSE 生物：Inspiration（吸氣機制）深度解析
朗林生物補習社專攻HKDSE生物，助你掌握Inspiration（吸氣）過程，提升成績！包含英文關鍵術語如diaphragm contraction、thoracic volume increase。
題目1: 解釋Inspiration（吸氣）時diaphragm（橫膈膜）和external intercostal muscles（外際筋）的角色。
題解：During inspiration, the diaphragm contracts and flattens, increasing the vertical dimension of the thoracic cavity. Simultaneously, external intercostal muscles elevate the ribs, expanding the thoracic cavity laterally and anteroposteriorly. This increases thoracic volume, decreasing intrapulmonary pressure below atmospheric pressure, allowing air to flow into the lungs (Boyle’s law應用)。（約80字）
題目2: 為何Inspiration時thoracic cavity volume increase導致氣壓下降？
題解：According to Boyle’s law (PV=constant), when thoracic volume increases due to diaphragm descent and rib elevation, intrapulmonary pressure drops from 760 mmHg to about 758 mmHg, creating a pressure gradient for air influx.（約70字）
題目3: 比較Inspiration與Expiration的muscle involvement。
題解：Inspiration is active (diaphragm + external intercostals contract); expiration at rest is passive (elastic recoil of lungs and thoracic wall)。Forced expiration uses internal intercostals and abdominal muscles。（約60字）
題目4: Inspiration受Hering-Breuer reflex影響嗎？
題解：No, Hering-Breuer reflex primarily inhibits inspiration when lungs are inflated, preventing overinflation via stretch receptors in alveoli。（約50字）
題目5: 計算Inspiration時tidal volume變化（假設數據）。
題解：Normal tidal volume is 500ml; during exercise, increased diaphragm contraction boosts it to 3000ml/min via higher ventilation rate. Relate to partial pressure of O2 (PO2) gradient。（約90字）
總字數約500字，涵蓋核心概念，適合HKDSE考試。
English Version: HKDSE Biology – Inspiration Mechanism
Long Lam Biology Tutorial Centre specializes in HKDSE Biology Inspiration (inhalation). Key terms: diaphragm contraction increases thoracic volume, Boyle’s law reduces intrapulmonary pressure. 5 Questions & Solutions above prepare you for exams!
朗林生物補習社介紹
學生成績與評語
2025 DSE：平均升20分！學生A：由2級升至5**，”Don Sir講解超清楚！”；學生B：生物由3級飆至5*，”Miss Maggie小班教學神級！”（資料來源：bio.school txt）
補習社特點
- ✅ 小班/Zoom真人大班
- ✅ 4大地點方便
- ✅ 免費溫書Group
- ✅ 針對HKDSE精準教學
Don Sir 老師
10年經驗，前名校老師，專攻呼吸系統如Inspiration，學生讚”考試必殺技”！
Miss Maggie 老師
5**狀元導師，擅長英文/中文biology，溫柔細心，助你直上5**！
4大地點
藍田
沙田
荃灣
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