The Nervous System

The average weight of the bram of an adult male in 3 pounds and 8 ounces; of a female, 2 younds and 4 ounces. The nerves are all connected with it directly or by the spinal marrow. These nerves, together with their branches and minute ramificatiuns, probably exceed 10,000,000 in number, forming a "bodyguard" outnumbering by far the greatest army ever marshaled.-