why tears come while cutting onion ? | why cutting of onions makes us cry ?

[@sohamdeshmukh7904]

Very informative video sir👍

[@freefireindia5357]

Nice and important information

[@aryangaikwad8806]

Sir it was very nice 😁

[@archanathankur8630]

🙏🙏👌

[@fuzailahmed8076]

Sir Jan Kar acha lga abhi tak ham sulphuric acid ki wja sa rota tha but suna h ka agr onion cut karta HOA neacha pani rakh lia Jai to Anson nhi ata and ma na experiment bhi kia h sir please explain it