Hi guys, Welcome to the Advanced Video Search Engine, and you are watching How to Increase Lung Capacity | Spirometer Practice | Boost Immunity | Dr. Ravikanth Kongara. That video is uploaded by Dr. Ravikanth Kongara at 2022-08-05T00:15:00-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [-N7I_MMNpNU]