Where is protein found in plants and/or animals?

Proteins are everywhere throughout the body. In the muscles to the nails to your hair.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.