Which of these statements most likely describes what happens if DNA is NOT duplicated during interphase? The new cells would...
A. be more numerous
B. have way too many chromosomes
C. have too many or too few nuclei
D. have an incorrect number of chromosomes

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.