Enzymes are involved in important processes in the human body. Name one of these processes.

they catalyses or speeds up a chemical reaction.

hope this helps.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.