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.
The average adult's brain weighs 3 - 4 lbs. but consumes 20% of the bodys oxygen supply. The human brain contains around 400 miles of blood vessels. There is no sense of pain within the brain itself which explains why brain surgeons can probe areas of the brain even when the patient is awake.