cant possibly be done. firstly,
it would put too much strain on your heart. your heart was designed to work only for our bodies, and can only keep up with the current ammount of blood flow. and you would have to expand your arteries and viens coming out of your heart so it can handle that ammount of blood, but thats impossible. nextly, you'd need alot more blood for the next 2 arms, and if you just put in blood, they'll die and your body wont maintain that abount of blood. and last, you'd need to eat like, a tons more food to nurish the more arms. its impossible.
QUOTE
It doesn't make any sense!
To attach new arms means adding new nerves which means magically putting nerves into your brain.
actually, there is plenty of room for expansion in the brain. they did a study on it. they connected wires to some of those unused parts of the brain to move a robotic arm. after much work, the brain trained it self to use those new connections.
(yes, im fasinated by medical science)