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
호흡비는 대사율을 측정하는 데 중요한 지표입니다.hoheupbineun daesayul-eul cheugjeonghaneun de jungyohan jibyoimnida.The respiratory quotient is an important indicator for measuring metabolic rate.