in your own words, explain protein synthesis as if you were explaining it to a 5 years old sibling. keep it simple

When the cells of your body want to make protein, they follow a recipe. Protein synthesis is a term that means making protein. The recipe for protein synthesis uses ingredients like mRNA, tRNA, and amino acids as well as a special piece of equipment called a ribosome.

Explanation:

it is the process of making protein molecules

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

well, i believe that the answer is 2. : 3