Define the term diffusion in your own words

physical process of atoms or molecules moving apart within a gas or liquid.

Explanation:

The act of a solvent going from high concentration gradient to low concentration gradient

Explanation:

I had this lesson last month

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.