Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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How does carbon dioxide exit the bloodstream at its final destination? Why does it move in the direction that it does across the alveolar surface?
When you feel a pulse, you’re feeling your radial artery expand. What is causing your artery to expand like this?
The veins in your arms and legs have one way valves. Explain why these valves are necessary for returning venous blood to the heart.
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- If a person has an injury that punctures the pleural space, what would happen to their ability to breathe and why?arrow_forwardMs. X has smoked cigarettes for years and is having breathing difficulties. She has been diagnosed with emphysema. Describe specific structural changes you would expect to observe in Ms X’s respiratory system. How are air flow and gas exchange affected by these structural changes?arrow_forwardtrace a carbon dioxide molecule from the blood in the inferior vena cava to the pulmonary capillaries. Then trace the oxygen molecule to the right footarrow_forward
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