2025newtalk 國中生物 單元四:深究人心-解析心臟的結構與搏動  episode artwork

EPISODE · Nov 16, 2025 · 11 MIN

2025newtalk 國中生物 單元四:深究人心-解析心臟的結構與搏動

from 雷比特生物空中講 · host 雷比特老師

全面性地介紹心臟的解剖構造與生理功能。文章首先以歷史觀點,介紹了威廉·哈維(William Harvey)在1628年建立血液循環理論的基礎作用,將心臟定位為一個精密的「雙重幫浦」而非浪漫的象徵。隨後,內容詳盡地將心臟比喻為一棟「四房公寓」,解釋了左右兩側幫浦**(體循環與肺循環)的不同任務,以及心房、心室和四個單向瓣膜的具體結構與功能。最後闡述心臟的自主電傳導系統(如竇房結),並深入分析心動週期中的收縮期(Systole)和舒張期(Diastole)如何透過瓣膜的開合,形成我們所聽到的「第一心音(Lubb)」與「第二心音(Dupp)」,總結這個永不停止的生命引擎的運作機制。 聽完後可以自主進行線上測驗,檢視學習成效喔~(需要登入gemini) 測驗網址  https://gemini.google.com/share/d4503fb83c65 Powered by Firstory Hosting

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2025newtalk 國中生物 單元四:深究人心-解析心臟的結構與搏動

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