For an even wider array of choices, the American Automobile Association offers a useful tool that you can use to find vehicles with the right automotive features to support the physical changes that can come with aging.
The average weight of the human brain is about 3 pounds, according to the Smithsonian Institution. In comparison, a chimpanzee's brain weighs less than a pound.
Percent of the brain used. 100 %. Average weight of a human brain. 3 pounds. Average weight of a human brain at birth. 12 ounces. Percent of total body weight that the brain represents. 2 %.