Everyday Science What is the weight of the average human brain? Options:A. 1.2 to 1.4 KgB. 1.4 to 1.8 KgC. 2.1 to 2.8 KgD. 3.1 to 3.4 KgView AnswerA. 1.2 to 1.4 Kg Continue Reading Previous: Human beings use _______ liters of pure oxygen per day.Next: One Torr is equivalent to how many mm of Mercury?