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.
According to the results, people can have a head as light as only 3500 grams, and those of us with larger craniums can weigh in at over 6300 grams. As the human brain weighs roughly 1500 grams it is likely that a larger head will be no more intelligent than a smaller head but rather just belongs to a larger person. All that extra weight can come from just a plain larger skull, the muscles needed to support it, and other fluids in the head.