The first cell that was viewed by the light microscope was the oak bark.
If your immune system attacks your own body parts, then it's called 'autoimmune disease'.
Autoimmune disease can happen at many times due to many problems the body can have. If one thing goes wrong with your body, it can go to another.
You may want to let them know about there X-ray but after you should assure them that there is a solution and you'll both get to it
<span>Your answer is Precambrian.</span>
