Immune system that is the answer to you question I think
Answer:
DNA is a linear molecule composed of four types of smaller chemical molecules called nucleotide bases: adenine (A), cytosine (C), guanine (G), and thymine (T). The order of these bases is called the DNA sequence.
Four tissues is skin made of
Simple epithelial, Squamous epithelium,Cuboidal epithelium, Stratified epithelium.
Answer: Its when you don't know nothing and lose most of your cells and barely know aything p.s IGMME
