I got the camera angle wrong. That one is just amateur stuff, but what she was saying, as you could make out, was about neurons, with her hands were like that, and she was saying neurons communicate.
카메라 각도를 잘못 잡았습니다. 저건 아마츄어 같은 건데 그녀가 말하는 것은 신경 세포에 대한 것이고  그녀의 손은 이렇게 하고 있습니다. 신경 세포가 의사 소통을 한다고  말하고 있어요.