What’s the students scientific question?

A scientific question is a question that may lead to a hypothesis and help us in answering (or figuring out) the reason for some observation.

answer; ///i believe its: ///(embolus);

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.