How are meiosis and mitosis different? A. All of these are correct.
B. In meiosis, the chromosome number is reduced by half.
C. In mitosis, when the two sets of genetic material separate, each daughter cell receives one complete set of chromosomes.
D. Mitosis is a form of asexual reproduction, whereas meiosis is an early step in sexual reproduction

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.

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