Individual cells of the pancreas are capable of - of a healthy pancreas are capable of both sensing glucose and secreting insulin.

每一个健康胰腺细胞,都可以感知血液中葡萄糖浓度,并分泌胰岛素

耶鲁公开课 - 生物医学工程探索课程节选

They're red because they contain a special protein called hemoglobin which is very concentrated inside the cell.

红细胞的红色源于,其内部一种叫做血红蛋白的特殊蛋白质,血红蛋白在细胞内的浓度很高

耶鲁公开课 - 生物医学工程探索课程节选