Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
This is basically the definition of biology, so you may need to add a little more detail. This is a great way to get it started though!!!
Hope this helps!!
The answer is skin cells. Other cells, like nerve and brain cells, divide much less often.
Electron shell is the outer orbital, while the inner orbital are just called orbitals.
