passage 2

if our brains were computers, we'd simply add a chip to upgrade our memory. the human brain, therefore, is more complex than even the most advanced machine, so improving our memory isn't quite so easy.(1)____  just as it takes effort to build physical fitness, so is boosting brain power.(2)____
a strong memory depends on the health and vital of your brain.(3)____  whether you're a student studying for final exams, a working professional interested in doing all he can to stay mentally sharp, and a senior looking to preserve and enhance your intelligence as you age,there are lots of things from which you can do to improve your memory and mental performance.(4)____  (5)____  (6)____ they say that you can't teach an old dog new tricks, but when it comes to the brain, scientists have discovered that this old proverb simply isn't true. the human brain has astonishing ability to adapt and change-even into older age. (7)____ (8)____ this ability is known as neuroplasticity. with the right stimulation,your brain can form new neural pathways, alter existing connections, and adapt and react in ever-changing ways.
the brain's incredible ability to reshape itself hold true when it comes to learning  and memorizing. you can harness the natural power of neuroplasticity to increase your cognitive abilities, enhance your ability to learn new information, and improve your memory.(9)____ (10)____