During ______, your diaphragm relaxes and comes back up, your external intercostal relax, and your rib cage comes back down. This creates a smaller space and causes intrapulmonary pressure to increase, causing air to flow out of the lungs.
Fill in the blank(s) with the appropriate word(s).
Answer: expiration
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The two divisions of the autonomic nervous system, sympathetic and parasympathetic,
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Arrange the following from largest to smallest:(1) Nucleus(2) DNA molecule(3) Skin cell(4) Chicken eggs
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