organic是有机物的意思,而organ则是器官的意思,区别可以从以下例子看出:

I like to have fruit and vegetables in organic as there are many chemicals stuff applied to the foods and vegetables today, that's no good for our organ. 我喜欢有机水果和蔬菜,因为今天有许多化学物质应用于食物和蔬菜,这对我们的器官没有好处。