________ Braces are made of plaster, plastic, or fiberglass and are used to hold a bone in place after reduction of a fracture

Arteriosclerosis, a term used to describe the thickening and loss of elasticity of the arteries, occurs over many years, during which the arteries of the circulatory system develop areas that become hard and brittle due to deposits of ________ on the wall

a. calcium b. magnesium c. blood clots d. iron

What is polymerization?

a. Polymers that soften when exposed to heat but then return to their original shape when cooled b. Polymers that solidify or set irreversibly when they are heated c. The chemical reaction in which monomer molecules are linked and cross-linked into macromolecules d. Synthesis of a polymer that is characterized by the ability of its molecules to elongate when strained and to reversibly assume their original shape when the tension has been released