When was the last time you cried? Some time ago? Last evening? Well, it's okay to cry. It's a normal human emotion. But do you know why we cry at the very first place? Well, watch this video to know the science behind crying. #humanemotion #crying #human Visit our site https://plufo.com/ Register now for free live classes: https://www.plufo.com/online-live-classes Contact us for live classes: 9008723116 Follow us: Facebook: https://www.facebook.com/AlwaysOnLearning Instagram: https://www.instagram.com/alwaysonlearning/ LinkedIn: https://www.linkedin.com/in/always-on-learning-platform-4234261b8/ Twitter: https://twitter.com/AlwaysOnLearni2