Think about an academic subject (Biology) that inspires you. Describe how you have furthered this interest inside and/or outside of the classroom. (350 words)

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.

your answer is going to be physical weathering