1 Select Copy files to iTunes Media folder when adding to library to store all of your media files in the iTunes Media folder. 2  With all of your files in one folder, you can easily transfer or back up your media. 3  If you import media into iTunes from a CD, it's automatically added to your iTunes Media folder.
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.
The Size of the Brain. In terms of weight, the average adult human brain weighs in at 1300 to 1400 grams, or around 3 pounds. In terms of length, the average brain is around 15 centimeters long. For comparison, a newborn human baby's brain weighs approximately 350 to 400 grams or three-quarters of a pound.