Mene ne tambaya ga: "Arthur Guyton's Textbook of Medical Physiology ya bayyana cewa" yawan adadin ruwa a cikin mutum mai nauyin nauyin nauyin (kilogiram 70) yana da kimanin lita 40, kimanin kashi 57 cikin dari na nauyin jikinsa. "? Batun shi ne ruwa na jiki.
"Mene ne yawan ruwa a cikin jiki?"