Quick Answer. The average human head weighs 10 to 11 pounds. That is about 8 percent of the weight of a human body. The average adult human brain only weighs about 3 pounds, so most of the weight in the head consists of the skull and other fluids. Continue Reading.
Futoshiki: 1  is also known under the name Unequal. 2  is a puzzle playable on a square board having fixed dimensions (5x5 for example). 3  each board square must ultimately contain a digit from 1 up to the board dimension. 4  on each row or column, each digit must appear exactly once.
Since Nagato is an Uzumaki, which makes him a distant relative of the Senju, he can control the Rinnegan. All Nagato needed to do was activate the Rinnegan. (Senju relative + evolved Uchiha eye = Able to use Rinnegan). The important part is Madara had the awakened Rinnegan and gave it to Nagato.