Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

Why do onions make you cry when you cut them?


Onions produce the chemical irritant known as syn-propanethial-S-oxide. It stimulates the eyes' lachrymal glands so they release tears.

{{ relativeTimeResolver(1577063742871) }}

LIVE
Points points 564
Rating 1

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE