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 adult human brain weighs on average about 1.5 kg (3.3 lb) with a volume of around 1130 cubic centimetres cm 3 in women and 1260 cm 3 in men, although there is substantial individual variation. human baby's brain at birth averages 369 cm 3 and increases, during the first year of life, to about 961 cm 3, after which the growth rate declines. Brain volume peaks at the age of 40, after which it begins declining at 5% per decade, speeding up around 70.