Cells must perform many of the same types of functions as body systems to which of these pairs correctly matches the cell organelle with the body system that performs a similar function

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.