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Chapter 36: The Human Breathing System

  1. What are the 5 adaptations of alveoli for gas exchange?
    • Large surface are of contact between alveoli and blood capillaries- faster rate if gas exchange.
    • Alveoli and capillaries are 1 cell thick, shirt distance between air and blood establishes a steep concentration gradient fir rapid diffusion.
    • Slow blood flow gives maximum time for oxygenation and excretion of carbon dioxide.
    • Alveoli are elastic fir efficient inspiration and expiration.
    • Alveoli lining is moist- dissolved gases diffuse faster.
  2. The large surface area of contact between alveoli and blood capillaries result in what?
    Large surface are of contact between alveoli and blood capillaries result in a faster rate of gas exchange.
  3. Is there a small/large surface area of contact between alveoli and blood capillaries?
    There’s a large surface area of contact between alveoli and blood capillaries-faster rate of gas exchange.
  4. The 1 cell thickness of alveoli and capillaries means what for diffusion?
    Alveoli and capillaries are 1 cell thick, short distance between air and blood establishes a steep concentration gradient fir rapid diffusion.
  5. How do alveoli and capillaries establish a steep concentration gradient for rapid diffusion?
    Alveoli and capillaries are 1 cell thick, short distance between air and blood establishes a steep concentration gradient for rapid diffusion.
  6. How does slow blood flow help gas exchange?
    Slow blood flow gives maximum time for oxygenation and excretion of carbon dioxide.
  7. Why are alveoli elastic?
    Alveoli are elastic for efficient inspiration and expiration.
  8. How does alveoli’s lining help with diffusion?
    Alveoli lining is moist - dissolved gases diffuse faster.
  9. How are the airways protected?
    • 1.Hair and mucus in nose trap larger dust particles and some bacteria.
    • 2.Mucus in trachea traps smaller foreign particles.
    • Cilia lining trachea moves mucus with trapped particles upwards and out of airway- mucus is then swallowed.
    • Macrophages (WBC) leave blood and roam alveoli to digest any foreign matter.
  10. What do hair and mucus in the nose trap?
    Hair and mucus in the muse trap larger dust particles and some bacteria.
  11. What in the nose traps larger dust particles and some bacteria?
    Hair and mucus in the nose trap larger dust particles and some bacteria.
  12. What in the trachea traps smaller foreign particles?
    • Mucus in the trachea traps smaller foreign particles.
    • Cilia lining trachea move mucus with trapped particles upwards and out of airway- mucus is then swallowed. Macrophages (WBC) leave blood and roam alveoli to digest any foreign matter.
  13. What does mucus in the trachea trap?
    • Mucus in the trachea traps smaller foreign particles.
    • Cilia lining trachea move mucus with trapped particles upwards and out of airway- mucus is then swallowed. Macrophages (WBC) leave blood and roam alveoli to digest any foreign matter.
  14. How does the trachea move the mucus (that’s dirt-laden)?
    • Cilia lining trachea moves mucus with trapped particles upwards and out of airway- mucus is then swallowed.
    • Macrophages (WBC) leave blood and roam alveoli to digest any foreign matter.
  15. What does the cilia lining of trachea do for protection of airways?
    • Cilia lining trachea move mucus with trapped particles upwards and out of airway- mucus is then swallowed.
    • Macrophages (WBC) leave blood and roam alveoli to digest any foreign matter.
  16. What happens when the cilia lining trachea moves the dirt-laden mucus upwards and out of the airway?
    • Cilia lining trachea move mucus with trapped particles upwards and out of airway- mucus is then swallowed.
    • Macrophages (WBC) leave blood and roam alveoli to digest any foreign matter.
  17. What leaves the blood and roams alveoli to digest foreign matter?
    Macrophages (WBC) leave blood and roam alveoli to digest any foreign matter.
  18. What are macrophages?
    White blood cell
  19. What do macrophages do to help the protection of airways?
    Macrophages leave blood and roam alveoli to digest any foreign matter.
Author
jacquelineglynn
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361860
Card Set
Chapter 36: The Human Breathing System
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