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.
Sankyo is the third joint locking technique taught in aikido, and can be an effective technique in self defense. In this series of photos, you'll see sankyo applied from a unique, functional entry I call the crash. After sankyo is applied, you can hold your opponent in the lock, throw him to the ground, or in a worst case scenario, break his wrist.