The thyroid gland... I think
The skeletal system protects the brain and other important organs
They are just from shaving. Or if your really cold it is goessebumps
I think the correct answer from the choices listed above is the third option. Resistance of a material being scratched in known as hardness. It <span> is defined as the ability of a material to resist plastic deformation. Hope this answers the question. Have a nice day.</span>
