hey there, activated charcoal is a filter medium which when rinsed under water it 'activates' and u can hear a slight buzzing sound (kinda like rice bubbles and milk lol) Basically when its activated...
muscles are activated when Oxigen goes trough your bood system, trough your veins and finaly to your Muscles making them move (Muscle Power..ACTIVATE! lol i always wanted to say that.. :)