Conclusion this is how the nervous system in human
<span>In
the process of polymerization, a chain of similar smaller molecules
called monomer join together to create very large molecules called
polymer. Through this chemical reaction, water is created as a
by-product. In contrast to hydrolysis or breaking down of polymers, a
water molecule is used to break the covalent bond that hold the
components of a polymer.</span>
It is because of MOLD glad to help!