Is a brain a muscle if not tell your reason.

Treat Your Brain Like a Muscle: Exercise It. Anatomically, your brain isn't a muscle; although it contains a bit of muscle, it's predominantly gray and white matter, with cellular structure and function far different (and more complex) than that of muscle.

answer; a database is an organized collection of data in digital format that users to keep track of information;

alzheimer's disease is a brain disease where you forget things that happened moments, even seconds before hand. reward me plz