Vector illustration of the anatomy of the human pancreas. Medical background.

Respiration system organs. Lungs and closeup of alveolus abstract scientific background, oxygen and carbon dioxide exchange between alveoli and capillaries, external respiration mechanism.

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圖片庫的Respiration system organs. Lungs and closeup of alveolus abstract scientific background, oxygen and carbon dioxide exchange between alveoli and capillaries, external respiration mechanism. 圖片 Image 67393894.

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Respiration System Organs. Lungs And Closeup Of Alveolus Abstract Scientific Background, Oxygen And Carbon Dioxide Exchange Between Alveoli And Capillaries, External Respiration Mechanism. 免版稅剪貼畫，向量插圖和庫存圖片. Image 67393894.

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Respiration system organs. Lungs and closeup of alveolus abstract scientific background, oxygen and carbon dioxide exchange between alveoli and capillaries, external respiration mechanism.

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