Explanation:
It sends message directly to muscles and glands
I only know this so far-
4 elements
Nitrogen (N)
Hydrogen (H)
Sulfur (S)
Oxygen (O)
Hi!
Reactants<span> are substances that start a chemical reaction, and </span>products<span> are substances that are produced in the reaction.</span>
Families I think
Because usually when a organism is a a similar type of species the scientific names have some type of similar root. So that crosses out everything else so that’s the only option available