Elephants , who are important grazers, are instrumental in transforming woodlands into grasslands. this has a tremendous impact on other species that depend on the grass for their survival. which is the signifigance of the elephant in this example?

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.