Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
신경의 종말기관은 신호를 전달하는 데 중요한 역할을 합니다.singyeong-ui jongmalgigan-eun sinho-reul jeondalhaneun de jungyohan yeoghal-eul hamnida.The terminating organ of a nerve plays an important role in transmitting signals.