Answer:brain
Spinal cord
Explanation: the two make up the nervous system
The resin why our brain changes throughout our life time as human beings, is simply because of age. Whatever you might learn, or adapt to it will all effect the brain. Everything you do is what your brain makes you do, and it changes with everything you do it all has a huge impact on your brain. Everything, its all about age and time. Hope this was helpful !!
Answer:
cold with high salt content
Answer:
one is sugar backbone I think I wish you luck