Answer:
B
Explanation:
Chemistry starts with the atom as this is the building block of all chemistry.
The cell, nucleus, and enzyme are all part of biology and not chemistry (at this level at least)
You can not worry about being shocked due to the cord being insulated not allowing the voltage to go through you but the cord
HI there!!!!!!
It would probably be the heart, brain or our muscles; they are constantly working !
CT scans. I hope this is the answer you're looking for
