Answer: Mallets
Why? (Little confused by question but this is what I know about metal and bamboo instruments)
You have to play the with a mallet that is less dense and less hard than the material you play on like metal and bamboo
Hope this helps :D
Corpus Callosum is a band of thick fibres which connects the hemispheres of the brain.
I have no idea but i think because long term activation is long term rather than nuclear. this is wrong
