No the brain is always developing as you learn or experience new things every single day.
If you aren't checking yourself then you may have a problem. For example you could have testicular cancer and you wouldn't know without feeling an unusual bump in that area.
Answer:
D ☺
Explanation:
head and moves to the feet
The correct letter answer is A or C. Choose whichever one you want. I think it's C, but you can consider A also. :)