A cell spends the majority of its time in interphase. During this time, the cell is doing is job and growing. Explain what tasks the cell is performing to prepare for mitosis in each stage of interphase (G1, S, G2).

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.