No cell in your body is further than 0.05mm away from a capillary. Capillaries are ____ with very ____ walls to reduce the ____ distance between the blood and the respiring cell. This also allows products formed in the cells to easily ____ into the ____. The ____ diameter of the capillary is slightly larger than the diameter of a ____.

排行榜

視覺風格

選項

切換範本

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