Hi guys, Welcome to the Advanced Video Search Engine, and you are watching 최고다! 호기심딱지 시즌 4 - 심장의 상태를 알려주는 맥박!. That video is uploaded by EBS 키즈 at 2022-12-21T16:00:10-08:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [ZBv9vGonk4Q]