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身體器官與功能-身體組織與皮膚系統

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本次影片將介紹人體身體組織與皮膚系統。

人體的組成從最小的單一細胞上至身體的有機體組成。細胞是人體基本的單位,一群相同功能的細胞構成組織,組織形成器官,多個器官組成系統,而人體組織共有四個基本組織:上皮細胞、結締組織、肌肉組織、神經組織。

組織形成器官,例如我們的心臟、肺臟、胃、肝等等,各個器官都有獨一獨特的功能,再由多個器官組成系統,完成一些特殊的功能,例如皮膚、骨骼、肌肉、神經、循環、呼吸、消化、泌尿、生殖、內分泌系統。

其中,皮膚系統為人體最大的系統,具有感受冷、熱、疼痛、壓力的功能;防止細菌、微生物入侵人體之功能;防止水分過多喪失等功能.

學習本影片後,將能掌握人體基本組織、基本系統,並了解皮膚系統及其功能等內容。

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