The toads have been devastating to Australia's unique wildlife freshwater crocodiles, snakes and marsupials that try to eat the toads have been no match for the toxins they secrete.

VOA: standard.2010.02.07

When it does your pancreas receives a signal that your blood glucose has started to go up, and it will secrete insulin.

这时你的胰腺会收到信号,你的血糖水平开始升高了,它就会分泌胰岛素

耶鲁公开课 - 生物医学工程探索课程节选

So maybe - and here thinking about the pancreas has many functions but one of its important functions is to secrete insulin.

胰腺有很多的功能,其中最重要的功能之一,就是分泌胰岛素

耶鲁公开课 - 生物医学工程探索课程节选

So, there are cells in your pancreas which recognize glucose levels and they secrete insulin in response.

你的胰腺细胞能够,识别血糖水平,并分泌胰岛素作为反馈

耶鲁公开课 - 生物医学工程探索课程节选